618804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2333}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 1470420000

約数和(自身を除く): 851615080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 349, 380, 698, 760, 1396, 1745, 2333, 2792, 3490, 4666, 6631, 6980, 9332, 11665, 13262, 13960, 18664, 23330, 26524, 33155, 44327, 46660, 53048, 66310, 88654, 93320, 132620, 177308, 221635, 265240, 354616, 443270, 814217, 886540, 1628434, 1773080, 3256868, 4071085, 6513736, 8142170, 15470123, 16284340, 30940246, 32568680, 61880492, 77350615, 123760984, 154701230, 309402460, 618804920]

約数ペア:

[(1, 618804920), (2, 309402460), (4, 154701230), (5, 123760984), (8, 77350615), (10, 61880492), (19, 32568680), (20, 30940246), (38, 16284340), (40, 15470123), (76, 8142170), (95, 6513736), (152, 4071085), (190, 3256868), (349, 1773080), (380, 1628434), (698, 886540), (760, 814217), (1396, 443270), (1745, 354616), (2333, 265240), (2792, 221635), (3490, 177308), (4666, 132620), (6631, 93320), (6980, 88654), (9332, 66310), (11665, 53048), (13262, 46660), (13960, 44327), (18664, 33155), (23330, 26524)]