164401900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 418660704

約数和(自身を除く): 254258804

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 43, 50, 52, 65, 68, 85, 86, 100, 130, 170, 172, 173, 215, 221, 260, 325, 340, 346, 425, 430, 442, 559, 650, 692, 731, 850, 860, 865, 884, 1075, 1105, 1118, 1300, 1462, 1700, 1730, 2150, 2210, 2236, 2249, 2795, 2924, 2941, 3460, 3655, 4300, 4325, 4420, 4498, 5525, 5590, 5882, 7310, 7439, 8650, 8996, 9503, 11050, 11180, 11245, 11764, 13975, 14620, 14705, 14878, 17300, 18275, 19006, 22100, 22490, 27950, 29410, 29756, 36550, 37195, 38012, 38233, 44980, 47515, 55900, 56225, 58820, 73100, 73525, 74390, 76466, 95030, 96707, 112450, 126463, 147050, 148780, 152932, 185975, 190060, 191165, 193414, 224900, 237575, 252926, 294100, 371950, 382330, 386828, 475150, 483535, 505852, 632315, 743900, 764660, 950300, 955825, 967070, 1264630, 1644019, 1911650, 1934140, 2417675, 2529260, 3161575, 3288038, 3823300, 4835350, 6323150, 6576076, 8220095, 9670700, 12646300, 16440190, 32880380, 41100475, 82200950, 164401900]

約数ペア:

[(1, 164401900), (2, 82200950), (4, 41100475), (5, 32880380), (10, 16440190), (13, 12646300), (17, 9670700), (20, 8220095), (25, 6576076), (26, 6323150), (34, 4835350), (43, 3823300), (50, 3288038), (52, 3161575), (65, 2529260), (68, 2417675), (85, 1934140), (86, 1911650), (100, 1644019), (130, 1264630), (170, 967070), (172, 955825), (173, 950300), (215, 764660), (221, 743900), (260, 632315), (325, 505852), (340, 483535), (346, 475150), (425, 386828), (430, 382330), (442, 371950), (559, 294100), (650, 252926), (692, 237575), (731, 224900), (850, 193414), (860, 191165), (865, 190060), (884, 185975), (1075, 152932), (1105, 148780), (1118, 147050), (1300, 126463), (1462, 112450), (1700, 96707), (1730, 95030), (2150, 76466), (2210, 74390), (2236, 73525), (2249, 73100), (2795, 58820), (2924, 56225), (2941, 55900), (3460, 47515), (3655, 44980), (4300, 38233), (4325, 38012), (4420, 37195), (4498, 36550), (5525, 29756), (5590, 29410), (5882, 27950), (7310, 22490), (7439, 22100), (8650, 19006), (8996, 18275), (9503, 17300), (11050, 14878), (11180, 14705), (11245, 14620), (11764, 13975)]