206985200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:595

約数の個数: 120

約数和(自身を含む): 536238000

約数和(自身を除く): 329252800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 61, 68, 80, 85, 100, 122, 136, 170, 200, 244, 272, 305, 340, 400, 425, 488, 499, 610, 680, 850, 976, 998, 1037, 1220, 1360, 1525, 1700, 1996, 2074, 2440, 2495, 3050, 3400, 3992, 4148, 4880, 4990, 5185, 6100, 6800, 7984, 8296, 8483, 9980, 10370, 12200, 12475, 16592, 16966, 19960, 20740, 24400, 24950, 25925, 30439, 33932, 39920, 41480, 42415, 49900, 51850, 60878, 67864, 82960, 84830, 99800, 103700, 121756, 135728, 152195, 169660, 199600, 207400, 212075, 243512, 304390, 339320, 414800, 424150, 487024, 517463, 608780, 678640, 760975, 848300, 1034926, 1217560, 1521950, 1696600, 2069852, 2435120, 2587315, 3043900, 3393200, 4139704, 5174630, 6087800, 8279408, 10349260, 12175600, 12936575, 20698520, 25873150, 41397040, 51746300, 103492600, 206985200]

約数ペア:

[(1, 206985200), (2, 103492600), (4, 51746300), (5, 41397040), (8, 25873150), (10, 20698520), (16, 12936575), (17, 12175600), (20, 10349260), (25, 8279408), (34, 6087800), (40, 5174630), (50, 4139704), (61, 3393200), (68, 3043900), (80, 2587315), (85, 2435120), (100, 2069852), (122, 1696600), (136, 1521950), (170, 1217560), (200, 1034926), (244, 848300), (272, 760975), (305, 678640), (340, 608780), (400, 517463), (425, 487024), (488, 424150), (499, 414800), (610, 339320), (680, 304390), (850, 243512), (976, 212075), (998, 207400), (1037, 199600), (1220, 169660), (1360, 152195), (1525, 135728), (1700, 121756), (1996, 103700), (2074, 99800), (2440, 84830), (2495, 82960), (3050, 67864), (3400, 60878), (3992, 51850), (4148, 49900), (4880, 42415), (4990, 41480), (5185, 39920), (6100, 33932), (6800, 30439), (7984, 25925), (8296, 24950), (8483, 24400), (9980, 20740), (10370, 19960), (12200, 16966), (12475, 16592)]