About the Number

228786480

228786479 ← → 228786481

2進数表記:1101101000110000000100110000

漢数字表記:二億二千八百七十八万六千四百八十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 24443 1

素因数の和:24475
約数の個数: 120
約数和(自身を含む): 827478288
約数和(自身を除く): 598691808

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 24443, 48886, 73329, 97772, 122215, 146658, 195544, 219987, 244430, 293316, 317759, 366645, 391088, 439974, 488860, 586632, 635518, 733290, 879948, 953277, 977720, 1099935, 1173264, 1271036, 1466580, 1588795, 1759896, 1906554, 1955440, 2199870, 2542072, 2859831, 2933160, 3177590, 3519792, 3813108, 4399740, 4766385, 5084144, 5719662, 5866320, 6355180, 7626216, 8799480, 9532770, 11439324, 12710360, 14299155, 15252432, 17598960, 19065540, 22878648, 25420720, 28598310, 38131080, 45757296, 57196620, 76262160, 114393240, 228786480]

約数ペア:
[(1, 228786480), (2, 114393240), (3, 76262160), (4, 57196620), (5, 45757296), (6, 38131080), (8, 28598310), (9, 25420720), (10, 22878648), (12, 19065540), (13, 17598960), (15, 15252432), (16, 14299155), (18, 12710360), (20, 11439324), (24, 9532770), (26, 8799480), (30, 7626216), (36, 6355180), (39, 5866320), (40, 5719662), (45, 5084144), (48, 4766385), (52, 4399740), (60, 3813108), (65, 3519792), (72, 3177590), (78, 2933160), (80, 2859831), (90, 2542072), (104, 2199870), (117, 1955440), (120, 1906554), (130, 1759896), (144, 1588795), (156, 1466580), (180, 1271036), (195, 1173264), (208, 1099935), (234, 977720), (240, 953277), (260, 879948), (312, 733290), (360, 635518), (390, 586632), (468, 488860), (520, 439974), (585, 391088), (624, 366645), (720, 317759), (780, 293316), (936, 244430), (1040, 219987), (1170, 195544), (1560, 146658), (1872, 122215), (2340, 97772), (3120, 73329), (4680, 48886), (9360, 24443)]

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