15691702900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 36563909760

約数和(自身を除く): 20872206860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 293, 355, 380, 397, 475, 586, 710, 794, 950, 1172, 1349, 1420, 1465, 1588, 1775, 1900, 1985, 2698, 2930, 3550, 3970, 5396, 5567, 5860, 6745, 7100, 7325, 7543, 7940, 9925, 11134, 13490, 14650, 15086, 19850, 20803, 22268, 26980, 27835, 28187, 29300, 30172, 33725, 37715, 39700, 41606, 55670, 56374, 67450, 75430, 83212, 104015, 111340, 112748, 116321, 134900, 139175, 140935, 150860, 188575, 208030, 232642, 278350, 281870, 377150, 395257, 416060, 465284, 520075, 535553, 556700, 563740, 581605, 704675, 754300, 790514, 1040150, 1071106, 1163210, 1409350, 1581028, 1976285, 2080300, 2142212, 2210099, 2326420, 2677765, 2818700, 2908025, 3952570, 4420198, 5355530, 5816050, 7905140, 8258791, 8840396, 9881425, 10711060, 11050495, 11632100, 13388825, 16517582, 19762850, 22100990, 26777650, 33035164, 39525700, 41293955, 44201980, 53555300, 55252475, 82587910, 110504950, 156917029, 165175820, 206469775, 221009900, 313834058, 412939550, 627668116, 784585145, 825879100, 1569170290, 3138340580, 3922925725, 7845851450, 15691702900]

約数ペア:

[(1, 15691702900), (2, 7845851450), (4, 3922925725), (5, 3138340580), (10, 1569170290), (19, 825879100), (20, 784585145), (25, 627668116), (38, 412939550), (50, 313834058), (71, 221009900), (76, 206469775), (95, 165175820), (100, 156917029), (142, 110504950), (190, 82587910), (284, 55252475), (293, 53555300), (355, 44201980), (380, 41293955), (397, 39525700), (475, 33035164), (586, 26777650), (710, 22100990), (794, 19762850), (950, 16517582), (1172, 13388825), (1349, 11632100), (1420, 11050495), (1465, 10711060), (1588, 9881425), (1775, 8840396), (1900, 8258791), (1985, 7905140), (2698, 5816050), (2930, 5355530), (3550, 4420198), (3970, 3952570), (5396, 2908025), (5567, 2818700), (5860, 2677765), (6745, 2326420), (7100, 2210099), (7325, 2142212), (7543, 2080300), (7940, 1976285), (9925, 1581028), (11134, 1409350), (13490, 1163210), (14650, 1071106), (15086, 1040150), (19850, 790514), (20803, 754300), (22268, 704675), (26980, 581605), (27835, 563740), (28187, 556700), (29300, 535553), (30172, 520075), (33725, 465284), (37715, 416060), (39700, 395257), (41606, 377150), (55670, 281870), (56374, 278350), (67450, 232642), (75430, 208030), (83212, 188575), (104015, 150860), (111340, 140935), (112748, 139175), (116321, 134900)]