160291220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^2$

素因数の和:345

約数の個数: 54

約数和(自身を含む): 357660702

約数和(自身を除く): 197369482

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 361, 380, 596, 722, 745, 1444, 1490, 1805, 2831, 2980, 3610, 5662, 7220, 11324, 14155, 22201, 28310, 44402, 53789, 56620, 88804, 107578, 111005, 215156, 222010, 268945, 421819, 444020, 537890, 843638, 1075780, 1687276, 2109095, 4218190, 8014561, 8436380, 16029122, 32058244, 40072805, 80145610, 160291220]

約数ペア:

[(1, 160291220), (2, 80145610), (4, 40072805), (5, 32058244), (10, 16029122), (19, 8436380), (20, 8014561), (38, 4218190), (76, 2109095), (95, 1687276), (149, 1075780), (190, 843638), (298, 537890), (361, 444020), (380, 421819), (596, 268945), (722, 222010), (745, 215156), (1444, 111005), (1490, 107578), (1805, 88804), (2831, 56620), (2980, 53789), (3610, 44402), (5662, 28310), (7220, 22201), (11324, 14155)]