199808820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 675851904

約数和(自身を除く): 476043084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 167, 170, 180, 204, 207, 230, 255, 276, 289, 306, 334, 340, 345, 391, 414, 460, 501, 510, 578, 612, 668, 690, 765, 782, 828, 835, 867, 1002, 1020, 1035, 1156, 1173, 1380, 1445, 1503, 1530, 1564, 1670, 1734, 1955, 2004, 2070, 2346, 2505, 2601, 2839, 2890, 3006, 3060, 3340, 3468, 3519, 3841, 3910, 4140, 4335, 4692, 5010, 5202, 5678, 5780, 5865, 6012, 6647, 7038, 7515, 7682, 7820, 8517, 8670, 10020, 10404, 11356, 11523, 11730, 13005, 13294, 14076, 14195, 15030, 15364, 17034, 17340, 17595, 19205, 19941, 23046, 23460, 25551, 26010, 26588, 28390, 30060, 33235, 34068, 34569, 35190, 38410, 39882, 42585, 46092, 48263, 51102, 52020, 56780, 57615, 59823, 65297, 66470, 69138, 70380, 76820, 79764, 85170, 96526, 99705, 102204, 115230, 119646, 127755, 130594, 132940, 138276, 144789, 170340, 172845, 193052, 195891, 199410, 230460, 239292, 241315, 255510, 261188, 289578, 299115, 326485, 345690, 391782, 398820, 434367, 482630, 511020, 579156, 587673, 598230, 652970, 691380, 723945, 783564, 868734, 965260, 979455, 1110049, 1175346, 1196460, 1305940, 1447890, 1737468, 1958910, 2171835, 2220098, 2350692, 2895780, 2938365, 3330147, 3917820, 4343670, 4440196, 5550245, 5876730, 6660294, 8687340, 9990441, 11100490, 11753460, 13320588, 16650735, 19980882, 22200980, 33301470, 39961764, 49952205, 66602940, 99904410, 199808820]

約数ペア:

[(1, 199808820), (2, 99904410), (3, 66602940), (4, 49952205), (5, 39961764), (6, 33301470), (9, 22200980), (10, 19980882), (12, 16650735), (15, 13320588), (17, 11753460), (18, 11100490), (20, 9990441), (23, 8687340), (30, 6660294), (34, 5876730), (36, 5550245), (45, 4440196), (46, 4343670), (51, 3917820), (60, 3330147), (68, 2938365), (69, 2895780), (85, 2350692), (90, 2220098), (92, 2171835), (102, 1958910), (115, 1737468), (138, 1447890), (153, 1305940), (167, 1196460), (170, 1175346), (180, 1110049), (204, 979455), (207, 965260), (230, 868734), (255, 783564), (276, 723945), (289, 691380), (306, 652970), (334, 598230), (340, 587673), (345, 579156), (391, 511020), (414, 482630), (460, 434367), (501, 398820), (510, 391782), (578, 345690), (612, 326485), (668, 299115), (690, 289578), (765, 261188), (782, 255510), (828, 241315), (835, 239292), (867, 230460), (1002, 199410), (1020, 195891), (1035, 193052), (1156, 172845), (1173, 170340), (1380, 144789), (1445, 138276), (1503, 132940), (1530, 130594), (1564, 127755), (1670, 119646), (1734, 115230), (1955, 102204), (2004, 99705), (2070, 96526), (2346, 85170), (2505, 79764), (2601, 76820), (2839, 70380), (2890, 69138), (3006, 66470), (3060, 65297), (3340, 59823), (3468, 57615), (3519, 56780), (3841, 52020), (3910, 51102), (4140, 48263), (4335, 46092), (4692, 42585), (5010, 39882), (5202, 38410), (5678, 35190), (5780, 34569), (5865, 34068), (6012, 33235), (6647, 30060), (7038, 28390), (7515, 26588), (7682, 26010), (7820, 25551), (8517, 23460), (8670, 23046), (10020, 19941), (10404, 19205), (11356, 17595), (11523, 17340), (11730, 17034), (13005, 15364), (13294, 15030), (14076, 14195)]