18992905100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{4519}}^1$

素因数の和:4660

約数の個数: 144

約数和(自身を含む): 45973932480

約数和(自身を除く): 26981027380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 61, 65, 100, 106, 122, 130, 212, 244, 260, 265, 305, 325, 530, 610, 650, 689, 793, 1060, 1220, 1300, 1325, 1378, 1525, 1586, 2650, 2756, 3050, 3172, 3233, 3445, 3965, 4519, 5300, 6100, 6466, 6890, 7930, 9038, 12932, 13780, 15860, 16165, 17225, 18076, 19825, 22595, 32330, 34450, 39650, 42029, 45190, 58747, 64660, 68900, 79300, 80825, 84058, 90380, 112975, 117494, 161650, 168116, 210145, 225950, 234988, 239507, 275659, 293735, 323300, 420290, 451900, 479014, 551318, 587470, 840580, 958028, 1050725, 1102636, 1174940, 1197535, 1378295, 1468675, 2101450, 2395070, 2756590, 2937350, 3113591, 3583567, 4202900, 4790140, 5513180, 5874700, 5987675, 6227182, 6891475, 7167134, 11975350, 12454364, 13782950, 14334268, 14609927, 15567955, 17917835, 23950700, 27565900, 29219854, 31135910, 35835670, 58439708, 62271820, 71671340, 73049635, 77839775, 89589175, 146099270, 155679550, 179178350, 189929051, 292198540, 311359100, 358356700, 365248175, 379858102, 730496350, 759716204, 949645255, 1460992700, 1899290510, 3798581020, 4748226275, 9496452550, 18992905100]

約数ペア:

[(1, 18992905100), (2, 9496452550), (4, 4748226275), (5, 3798581020), (10, 1899290510), (13, 1460992700), (20, 949645255), (25, 759716204), (26, 730496350), (50, 379858102), (52, 365248175), (53, 358356700), (61, 311359100), (65, 292198540), (100, 189929051), (106, 179178350), (122, 155679550), (130, 146099270), (212, 89589175), (244, 77839775), (260, 73049635), (265, 71671340), (305, 62271820), (325, 58439708), (530, 35835670), (610, 31135910), (650, 29219854), (689, 27565900), (793, 23950700), (1060, 17917835), (1220, 15567955), (1300, 14609927), (1325, 14334268), (1378, 13782950), (1525, 12454364), (1586, 11975350), (2650, 7167134), (2756, 6891475), (3050, 6227182), (3172, 5987675), (3233, 5874700), (3445, 5513180), (3965, 4790140), (4519, 4202900), (5300, 3583567), (6100, 3113591), (6466, 2937350), (6890, 2756590), (7930, 2395070), (9038, 2101450), (12932, 1468675), (13780, 1378295), (15860, 1197535), (16165, 1174940), (17225, 1102636), (18076, 1050725), (19825, 958028), (22595, 840580), (32330, 587470), (34450, 551318), (39650, 479014), (42029, 451900), (45190, 420290), (58747, 323300), (64660, 293735), (68900, 275659), (79300, 239507), (80825, 234988), (84058, 225950), (90380, 210145), (112975, 168116), (117494, 161650)]