278320170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 728593920

約数和(自身を除く): 450273750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 361, 465, 570, 589, 722, 829, 930, 1083, 1178, 1658, 1767, 1805, 2166, 2487, 2945, 3534, 3610, 4145, 4974, 5415, 5890, 8290, 8835, 10830, 11191, 12435, 15751, 17670, 22382, 24870, 25699, 31502, 33573, 47253, 51398, 55955, 67146, 77097, 78755, 94506, 111910, 128495, 154194, 157510, 167865, 236265, 256990, 299269, 335730, 385485, 472530, 488281, 598538, 770970, 897807, 976562, 1464843, 1496345, 1795614, 2441405, 2929686, 2992690, 4489035, 4882810, 7324215, 8978070, 9277339, 14648430, 18554678, 27832017, 46386695, 55664034, 92773390, 139160085, 278320170]

約数ペア:

[(1, 278320170), (2, 139160085), (3, 92773390), (5, 55664034), (6, 46386695), (10, 27832017), (15, 18554678), (19, 14648430), (30, 9277339), (31, 8978070), (38, 7324215), (57, 4882810), (62, 4489035), (93, 2992690), (95, 2929686), (114, 2441405), (155, 1795614), (186, 1496345), (190, 1464843), (285, 976562), (310, 897807), (361, 770970), (465, 598538), (570, 488281), (589, 472530), (722, 385485), (829, 335730), (930, 299269), (1083, 256990), (1178, 236265), (1658, 167865), (1767, 157510), (1805, 154194), (2166, 128495), (2487, 111910), (2945, 94506), (3534, 78755), (3610, 77097), (4145, 67146), (4974, 55955), (5415, 51398), (5890, 47253), (8290, 33573), (8835, 31502), (10830, 25699), (11191, 24870), (12435, 22382), (15751, 17670)]