220377760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 542771712

約数和(自身を除く): 322393952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 157, 160, 248, 283, 310, 314, 496, 566, 620, 628, 785, 992, 1132, 1240, 1256, 1415, 1570, 2264, 2480, 2512, 2830, 3140, 4528, 4867, 4960, 5024, 5660, 6280, 8773, 9056, 9734, 11320, 12560, 17546, 19468, 22640, 24335, 25120, 35092, 38936, 43865, 44431, 45280, 48670, 70184, 77872, 87730, 88862, 97340, 140368, 155744, 175460, 177724, 194680, 222155, 280736, 350920, 355448, 389360, 444310, 701840, 710896, 778720, 888620, 1377361, 1403680, 1421792, 1777240, 2754722, 3554480, 5509444, 6886805, 7108960, 11018888, 13773610, 22037776, 27547220, 44075552, 55094440, 110188880, 220377760]

約数ペア:

[(1, 220377760), (2, 110188880), (4, 55094440), (5, 44075552), (8, 27547220), (10, 22037776), (16, 13773610), (20, 11018888), (31, 7108960), (32, 6886805), (40, 5509444), (62, 3554480), (80, 2754722), (124, 1777240), (155, 1421792), (157, 1403680), (160, 1377361), (248, 888620), (283, 778720), (310, 710896), (314, 701840), (496, 444310), (566, 389360), (620, 355448), (628, 350920), (785, 280736), (992, 222155), (1132, 194680), (1240, 177724), (1256, 175460), (1415, 155744), (1570, 140368), (2264, 97340), (2480, 88862), (2512, 87730), (2830, 77872), (3140, 70184), (4528, 48670), (4867, 45280), (4960, 44431), (5024, 43865), (5660, 38936), (6280, 35092), (8773, 25120), (9056, 24335), (9734, 22640), (11320, 19468), (12560, 17546)]