201443890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 411402240

約数和(自身を除く): 209958350

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 155, 190, 230, 310, 437, 589, 713, 874, 1178, 1426, 1487, 2185, 2945, 2974, 3565, 4370, 5890, 7130, 7435, 13547, 14870, 27094, 28253, 34201, 46097, 56506, 67735, 68402, 92194, 135470, 141265, 171005, 230485, 282530, 342010, 460970, 649819, 875843, 1060231, 1299638, 1751686, 2120462, 3249095, 4379215, 5301155, 6498190, 8758430, 10602310, 20144389, 40288778, 100721945, 201443890]

約数ペア:

[(1, 201443890), (2, 100721945), (5, 40288778), (10, 20144389), (19, 10602310), (23, 8758430), (31, 6498190), (38, 5301155), (46, 4379215), (62, 3249095), (95, 2120462), (115, 1751686), (155, 1299638), (190, 1060231), (230, 875843), (310, 649819), (437, 460970), (589, 342010), (713, 282530), (874, 230485), (1178, 171005), (1426, 141265), (1487, 135470), (2185, 92194), (2945, 68402), (2974, 67735), (3565, 56506), (4370, 46097), (5890, 34201), (7130, 28253), (7435, 27094), (13547, 14870)]