249319360

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 628814592

約数和(自身を除く): 379495232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 613, 620, 656, 820, 992, 1226, 1240, 1271, 1312, 1640, 1984, 2452, 2480, 2542, 2624, 3065, 3280, 4904, 4960, 5084, 6130, 6355, 6560, 9808, 9920, 10168, 12260, 12710, 13120, 19003, 19616, 20336, 24520, 25133, 25420, 38006, 39232, 40672, 49040, 50266, 50840, 76012, 81344, 95015, 98080, 100532, 101680, 125665, 152024, 190030, 196160, 201064, 203360, 251330, 304048, 380060, 402128, 406720, 502660, 608096, 760120, 779123, 804256, 1005320, 1216192, 1520240, 1558246, 1608512, 2010640, 3040480, 3116492, 3895615, 4021280, 6080960, 6232984, 7791230, 8042560, 12465968, 15582460, 24931936, 31164920, 49863872, 62329840, 124659680, 249319360]

約数ペア:

[(1, 249319360), (2, 124659680), (4, 62329840), (5, 49863872), (8, 31164920), (10, 24931936), (16, 15582460), (20, 12465968), (31, 8042560), (32, 7791230), (40, 6232984), (41, 6080960), (62, 4021280), (64, 3895615), (80, 3116492), (82, 3040480), (124, 2010640), (155, 1608512), (160, 1558246), (164, 1520240), (205, 1216192), (248, 1005320), (310, 804256), (320, 779123), (328, 760120), (410, 608096), (496, 502660), (613, 406720), (620, 402128), (656, 380060), (820, 304048), (992, 251330), (1226, 203360), (1240, 201064), (1271, 196160), (1312, 190030), (1640, 152024), (1984, 125665), (2452, 101680), (2480, 100532), (2542, 98080), (2624, 95015), (3065, 81344), (3280, 76012), (4904, 50840), (4960, 50266), (5084, 49040), (6130, 40672), (6355, 39232), (6560, 38006), (9808, 25420), (9920, 25133), (10168, 24520), (12260, 20336), (12710, 19616), (13120, 19003)]