13900400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 36902400

約数和(自身を除く): 23002000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 59, 62, 76, 80, 95, 100, 118, 124, 152, 155, 190, 200, 236, 248, 295, 304, 310, 380, 400, 472, 475, 496, 589, 590, 620, 760, 775, 944, 950, 1121, 1178, 1180, 1240, 1475, 1520, 1550, 1829, 1900, 2242, 2356, 2360, 2480, 2945, 2950, 3100, 3658, 3800, 4484, 4712, 4720, 5605, 5890, 5900, 6200, 7316, 7600, 8968, 9145, 9424, 11210, 11780, 11800, 12400, 14632, 14725, 17936, 18290, 22420, 23560, 23600, 28025, 29264, 29450, 34751, 36580, 44840, 45725, 47120, 56050, 58900, 69502, 73160, 89680, 91450, 112100, 117800, 139004, 146320, 173755, 182900, 224200, 235600, 278008, 347510, 365800, 448400, 556016, 695020, 731600, 868775, 1390040, 1737550, 2780080, 3475100, 6950200, 13900400]

約数ペア:

[(1, 13900400), (2, 6950200), (4, 3475100), (5, 2780080), (8, 1737550), (10, 1390040), (16, 868775), (19, 731600), (20, 695020), (25, 556016), (31, 448400), (38, 365800), (40, 347510), (50, 278008), (59, 235600), (62, 224200), (76, 182900), (80, 173755), (95, 146320), (100, 139004), (118, 117800), (124, 112100), (152, 91450), (155, 89680), (190, 73160), (200, 69502), (236, 58900), (248, 56050), (295, 47120), (304, 45725), (310, 44840), (380, 36580), (400, 34751), (472, 29450), (475, 29264), (496, 28025), (589, 23600), (590, 23560), (620, 22420), (760, 18290), (775, 17936), (944, 14725), (950, 14632), (1121, 12400), (1178, 11800), (1180, 11780), (1240, 11210), (1475, 9424), (1520, 9145), (1550, 8968), (1829, 7600), (1900, 7316), (2242, 6200), (2356, 5900), (2360, 5890), (2480, 5605), (2945, 4720), (2950, 4712), (3100, 4484), (3658, 3800)]