215367850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 445685760

約数和(自身を除く): 230317910

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 71, 95, 103, 142, 155, 190, 206, 310, 355, 475, 515, 589, 710, 775, 950, 1030, 1178, 1349, 1550, 1775, 1957, 2201, 2575, 2698, 2945, 3193, 3550, 3914, 4402, 5150, 5890, 6386, 6745, 7313, 9785, 11005, 13490, 14626, 14725, 15965, 19570, 22010, 29450, 31930, 33725, 36565, 41819, 48925, 55025, 60667, 67450, 73130, 79825, 83638, 97850, 110050, 121334, 138947, 159650, 182825, 209095, 226703, 277894, 303335, 365650, 418190, 453406, 606670, 694735, 1045475, 1133515, 1389470, 1516675, 2090950, 2267030, 3033350, 3473675, 4307357, 5667575, 6947350, 8614714, 11335150, 21536785, 43073570, 107683925, 215367850]

約数ペア:

[(1, 215367850), (2, 107683925), (5, 43073570), (10, 21536785), (19, 11335150), (25, 8614714), (31, 6947350), (38, 5667575), (50, 4307357), (62, 3473675), (71, 3033350), (95, 2267030), (103, 2090950), (142, 1516675), (155, 1389470), (190, 1133515), (206, 1045475), (310, 694735), (355, 606670), (475, 453406), (515, 418190), (589, 365650), (710, 303335), (775, 277894), (950, 226703), (1030, 209095), (1178, 182825), (1349, 159650), (1550, 138947), (1775, 121334), (1957, 110050), (2201, 97850), (2575, 83638), (2698, 79825), (2945, 73130), (3193, 67450), (3550, 60667), (3914, 55025), (4402, 48925), (5150, 41819), (5890, 36565), (6386, 33725), (6745, 31930), (7313, 29450), (9785, 22010), (11005, 19570), (13490, 15965), (14626, 14725)]