215690020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3203}}^1$

素因数の和:3269

約数の個数: 96

約数和(自身を含む): 572721408

約数和(自身を除く): 357031388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 364, 370, 455, 481, 518, 740, 910, 962, 1036, 1295, 1820, 1924, 2405, 2590, 3203, 3367, 4810, 5180, 6406, 6734, 9620, 12812, 13468, 16015, 16835, 22421, 32030, 33670, 41639, 44842, 64060, 67340, 83278, 89684, 112105, 118511, 166556, 208195, 224210, 237022, 291473, 416390, 448420, 474044, 582946, 592555, 829577, 832780, 1165892, 1185110, 1457365, 1540643, 1659154, 2370220, 2914730, 3081286, 3318308, 4147885, 5829460, 6162572, 7703215, 8295770, 10784501, 15406430, 16591540, 21569002, 30812860, 43138004, 53922505, 107845010, 215690020]

約数ペア:

[(1, 215690020), (2, 107845010), (4, 53922505), (5, 43138004), (7, 30812860), (10, 21569002), (13, 16591540), (14, 15406430), (20, 10784501), (26, 8295770), (28, 7703215), (35, 6162572), (37, 5829460), (52, 4147885), (65, 3318308), (70, 3081286), (74, 2914730), (91, 2370220), (130, 1659154), (140, 1540643), (148, 1457365), (182, 1185110), (185, 1165892), (259, 832780), (260, 829577), (364, 592555), (370, 582946), (455, 474044), (481, 448420), (518, 416390), (740, 291473), (910, 237022), (962, 224210), (1036, 208195), (1295, 166556), (1820, 118511), (1924, 112105), (2405, 89684), (2590, 83278), (3203, 67340), (3367, 64060), (4810, 44842), (5180, 41639), (6406, 33670), (6734, 32030), (9620, 22421), (12812, 16835), (13468, 16015)]