31235050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 78878880

約数和(自身を除く): 47643830

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 49, 50, 55, 61, 70, 77, 95, 98, 110, 122, 133, 154, 175, 190, 209, 245, 266, 275, 305, 350, 385, 418, 427, 475, 490, 539, 550, 610, 665, 671, 770, 854, 931, 950, 1045, 1078, 1159, 1225, 1330, 1342, 1463, 1525, 1862, 1925, 2090, 2135, 2318, 2450, 2695, 2926, 2989, 3050, 3325, 3355, 3850, 4270, 4655, 4697, 5225, 5390, 5795, 5978, 6650, 6710, 7315, 8113, 9310, 9394, 10241, 10450, 10675, 11590, 12749, 13475, 14630, 14945, 16226, 16775, 20482, 21350, 23275, 23485, 25498, 26950, 28975, 29890, 32879, 33550, 36575, 40565, 46550, 46970, 51205, 56791, 57950, 63745, 65758, 73150, 74725, 81130, 89243, 102410, 113582, 117425, 127490, 149450, 164395, 178486, 202825, 234850, 256025, 283955, 318725, 328790, 405650, 446215, 512050, 567910, 624701, 637450, 821975, 892430, 1249402, 1419775, 1643950, 2231075, 2839550, 3123505, 4462150, 6247010, 15617525, 31235050]

約数ペア:

[(1, 31235050), (2, 15617525), (5, 6247010), (7, 4462150), (10, 3123505), (11, 2839550), (14, 2231075), (19, 1643950), (22, 1419775), (25, 1249402), (35, 892430), (38, 821975), (49, 637450), (50, 624701), (55, 567910), (61, 512050), (70, 446215), (77, 405650), (95, 328790), (98, 318725), (110, 283955), (122, 256025), (133, 234850), (154, 202825), (175, 178486), (190, 164395), (209, 149450), (245, 127490), (266, 117425), (275, 113582), (305, 102410), (350, 89243), (385, 81130), (418, 74725), (427, 73150), (475, 65758), (490, 63745), (539, 57950), (550, 56791), (610, 51205), (665, 46970), (671, 46550), (770, 40565), (854, 36575), (931, 33550), (950, 32879), (1045, 29890), (1078, 28975), (1159, 26950), (1225, 25498), (1330, 23485), (1342, 23275), (1463, 21350), (1525, 20482), (1862, 16775), (1925, 16226), (2090, 14945), (2135, 14630), (2318, 13475), (2450, 12749), (2695, 11590), (2926, 10675), (2989, 10450), (3050, 10241), (3325, 9394), (3355, 9310), (3850, 8113), (4270, 7315), (4655, 6710), (4697, 6650), (5225, 5978), (5390, 5795)]