109565780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 255467520

約数和(自身を除く): 145901740

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 71, 76, 95, 124, 131, 142, 155, 190, 262, 284, 310, 355, 380, 524, 589, 620, 655, 710, 1178, 1310, 1349, 1420, 2201, 2356, 2489, 2620, 2698, 2945, 4061, 4402, 4978, 5396, 5890, 6745, 8122, 8804, 9301, 9956, 11005, 11780, 12445, 13490, 16244, 18602, 20305, 22010, 24890, 26980, 37204, 40610, 41819, 44020, 46505, 49780, 77159, 81220, 83638, 93010, 154318, 167276, 176719, 186020, 209095, 288331, 308636, 353438, 385795, 418190, 576662, 706876, 771590, 836380, 883595, 1153324, 1441655, 1543180, 1767190, 2883310, 3534380, 5478289, 5766620, 10956578, 21913156, 27391445, 54782890, 109565780]

約数ペア:

[(1, 109565780), (2, 54782890), (4, 27391445), (5, 21913156), (10, 10956578), (19, 5766620), (20, 5478289), (31, 3534380), (38, 2883310), (62, 1767190), (71, 1543180), (76, 1441655), (95, 1153324), (124, 883595), (131, 836380), (142, 771590), (155, 706876), (190, 576662), (262, 418190), (284, 385795), (310, 353438), (355, 308636), (380, 288331), (524, 209095), (589, 186020), (620, 176719), (655, 167276), (710, 154318), (1178, 93010), (1310, 83638), (1349, 81220), (1420, 77159), (2201, 49780), (2356, 46505), (2489, 44020), (2620, 41819), (2698, 40610), (2945, 37204), (4061, 26980), (4402, 24890), (4978, 22010), (5396, 20305), (5890, 18602), (6745, 16244), (8122, 13490), (8804, 12445), (9301, 11780), (9956, 11005)]