917505420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:504

約数の個数: 192

約数和(自身を含む): 2912716800

約数和(自身を除く): 1995211380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 199, 230, 257, 260, 276, 299, 345, 390, 398, 460, 514, 597, 598, 690, 771, 780, 796, 897, 995, 1028, 1194, 1196, 1285, 1380, 1495, 1542, 1794, 1990, 2388, 2570, 2587, 2985, 2990, 3084, 3341, 3588, 3855, 3980, 4485, 4577, 5140, 5174, 5911, 5970, 5980, 6682, 7710, 7761, 8970, 9154, 10023, 10348, 11822, 11940, 12935, 13364, 13731, 15420, 15522, 16705, 17733, 17940, 18308, 20046, 22885, 23644, 25870, 27462, 29555, 31044, 33410, 35466, 38805, 40092, 45770, 50115, 51143, 51740, 54924, 59110, 59501, 66820, 68655, 70932, 76843, 77610, 88665, 91540, 100230, 102286, 118220, 119002, 137310, 153429, 153686, 155220, 177330, 178503, 200460, 204572, 230529, 238004, 255715, 274620, 297505, 306858, 307372, 354660, 357006, 384215, 461058, 511430, 595010, 613716, 664859, 714012, 767145, 768430, 892515, 922116, 1022860, 1152645, 1176289, 1190020, 1329718, 1534290, 1536860, 1785030, 1994577, 2305290, 2352578, 2659436, 3068580, 3324295, 3528867, 3570060, 3989154, 4610580, 4705156, 5881445, 6648590, 7057734, 7978308, 9972885, 11762890, 13297180, 14115468, 15291757, 17644335, 19945770, 23525780, 30583514, 35288670, 39891540, 45875271, 61167028, 70577340, 76458785, 91750542, 152917570, 183501084, 229376355, 305835140, 458752710, 917505420]

約数ペア:

[(1, 917505420), (2, 458752710), (3, 305835140), (4, 229376355), (5, 183501084), (6, 152917570), (10, 91750542), (12, 76458785), (13, 70577340), (15, 61167028), (20, 45875271), (23, 39891540), (26, 35288670), (30, 30583514), (39, 23525780), (46, 19945770), (52, 17644335), (60, 15291757), (65, 14115468), (69, 13297180), (78, 11762890), (92, 9972885), (115, 7978308), (130, 7057734), (138, 6648590), (156, 5881445), (195, 4705156), (199, 4610580), (230, 3989154), (257, 3570060), (260, 3528867), (276, 3324295), (299, 3068580), (345, 2659436), (390, 2352578), (398, 2305290), (460, 1994577), (514, 1785030), (597, 1536860), (598, 1534290), (690, 1329718), (771, 1190020), (780, 1176289), (796, 1152645), (897, 1022860), (995, 922116), (1028, 892515), (1194, 768430), (1196, 767145), (1285, 714012), (1380, 664859), (1495, 613716), (1542, 595010), (1794, 511430), (1990, 461058), (2388, 384215), (2570, 357006), (2587, 354660), (2985, 307372), (2990, 306858), (3084, 297505), (3341, 274620), (3588, 255715), (3855, 238004), (3980, 230529), (4485, 204572), (4577, 200460), (5140, 178503), (5174, 177330), (5911, 155220), (5970, 153686), (5980, 153429), (6682, 137310), (7710, 119002), (7761, 118220), (8970, 102286), (9154, 100230), (10023, 91540), (10348, 88665), (11822, 77610), (11940, 76843), (12935, 70932), (13364, 68655), (13731, 66820), (15420, 59501), (15522, 59110), (16705, 54924), (17733, 51740), (17940, 51143), (18308, 50115), (20046, 45770), (22885, 40092), (23644, 38805), (25870, 35466), (27462, 33410), (29555, 31044)]