399223890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1286

約数の個数: 160

約数和(自身を含む): 1194310656

約数和(自身を除く): 795086766

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 81, 90, 93, 117, 130, 135, 155, 162, 186, 195, 234, 270, 279, 310, 351, 390, 403, 405, 465, 558, 585, 702, 806, 810, 837, 930, 1053, 1170, 1209, 1223, 1395, 1674, 1755, 2015, 2106, 2418, 2446, 2511, 2790, 3510, 3627, 3669, 4030, 4185, 5022, 5265, 6045, 6115, 7254, 7338, 8370, 10530, 10881, 11007, 12090, 12230, 12555, 15899, 18135, 18345, 21762, 22014, 25110, 31798, 32643, 33021, 36270, 36690, 37913, 47697, 54405, 55035, 65286, 66042, 75826, 79495, 95394, 99063, 108810, 110070, 113739, 143091, 158990, 163215, 165105, 189565, 198126, 227478, 238485, 286182, 326430, 330210, 341217, 379130, 429273, 476970, 492869, 495315, 568695, 682434, 715455, 858546, 985738, 990630, 1023651, 1137390, 1287819, 1430910, 1478607, 1706085, 2047302, 2146365, 2464345, 2575638, 2957214, 3070953, 3412170, 4292730, 4435821, 4928690, 5118255, 6141906, 6439095, 7393035, 8871642, 10236510, 12878190, 13307463, 14786070, 15354765, 22179105, 26614926, 30709530, 39922389, 44358210, 66537315, 79844778, 133074630, 199611945, 399223890]

約数ペア:

[(1, 399223890), (2, 199611945), (3, 133074630), (5, 79844778), (6, 66537315), (9, 44358210), (10, 39922389), (13, 30709530), (15, 26614926), (18, 22179105), (26, 15354765), (27, 14786070), (30, 13307463), (31, 12878190), (39, 10236510), (45, 8871642), (54, 7393035), (62, 6439095), (65, 6141906), (78, 5118255), (81, 4928690), (90, 4435821), (93, 4292730), (117, 3412170), (130, 3070953), (135, 2957214), (155, 2575638), (162, 2464345), (186, 2146365), (195, 2047302), (234, 1706085), (270, 1478607), (279, 1430910), (310, 1287819), (351, 1137390), (390, 1023651), (403, 990630), (405, 985738), (465, 858546), (558, 715455), (585, 682434), (702, 568695), (806, 495315), (810, 492869), (837, 476970), (930, 429273), (1053, 379130), (1170, 341217), (1209, 330210), (1223, 326430), (1395, 286182), (1674, 238485), (1755, 227478), (2015, 198126), (2106, 189565), (2418, 165105), (2446, 163215), (2511, 158990), (2790, 143091), (3510, 113739), (3627, 110070), (3669, 108810), (4030, 99063), (4185, 95394), (5022, 79495), (5265, 75826), (6045, 66042), (6115, 65286), (7254, 55035), (7338, 54405), (8370, 47697), (10530, 37913), (10881, 36690), (11007, 36270), (12090, 33021), (12230, 32643), (12555, 31798), (15899, 25110), (18135, 22014), (18345, 21762)]