225848900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 511467264

約数和(自身を除く): 285618364

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 172, 212, 215, 265, 430, 530, 860, 991, 1060, 1075, 1325, 1982, 2150, 2279, 2650, 3964, 4300, 4558, 4955, 5300, 9116, 9910, 11395, 19820, 22790, 24775, 42613, 45580, 49550, 52523, 56975, 85226, 99100, 105046, 113950, 170452, 210092, 213065, 227900, 262615, 426130, 525230, 852260, 1050460, 1065325, 1313075, 2130650, 2258489, 2626150, 4261300, 4516978, 5252300, 9033956, 11292445, 22584890, 45169780, 56462225, 112924450, 225848900]

約数ペア:

[(1, 225848900), (2, 112924450), (4, 56462225), (5, 45169780), (10, 22584890), (20, 11292445), (25, 9033956), (43, 5252300), (50, 4516978), (53, 4261300), (86, 2626150), (100, 2258489), (106, 2130650), (172, 1313075), (212, 1065325), (215, 1050460), (265, 852260), (430, 525230), (530, 426130), (860, 262615), (991, 227900), (1060, 213065), (1075, 210092), (1325, 170452), (1982, 113950), (2150, 105046), (2279, 99100), (2650, 85226), (3964, 56975), (4300, 52523), (4558, 49550), (4955, 45580), (5300, 42613), (9116, 24775), (9910, 22790), (11395, 19820)]