198299920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27239}}^1$

素因数の和:27272

約数の個数: 80

約数和(自身を含む): 567463680

約数和(自身を除く): 369163760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 27239, 54478, 108956, 136195, 190673, 217912, 272390, 354107, 381346, 435824, 544780, 708214, 762692, 953365, 1089560, 1416428, 1525384, 1770535, 1906730, 2179120, 2478749, 2832856, 3050768, 3541070, 3813460, 4957498, 5665712, 7082140, 7626920, 9914996, 12393745, 14164280, 15253840, 19829992, 24787490, 28328560, 39659984, 49574980, 99149960, 198299920]

約数ペア:

[(1, 198299920), (2, 99149960), (4, 49574980), (5, 39659984), (7, 28328560), (8, 24787490), (10, 19829992), (13, 15253840), (14, 14164280), (16, 12393745), (20, 9914996), (26, 7626920), (28, 7082140), (35, 5665712), (40, 4957498), (52, 3813460), (56, 3541070), (65, 3050768), (70, 2832856), (80, 2478749), (91, 2179120), (104, 1906730), (112, 1770535), (130, 1525384), (140, 1416428), (182, 1089560), (208, 953365), (260, 762692), (280, 708214), (364, 544780), (455, 435824), (520, 381346), (560, 354107), (728, 272390), (910, 217912), (1040, 190673), (1456, 136195), (1820, 108956), (3640, 54478), (7280, 27239)]