88889090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 177666048

約数和(自身を除く): 88776958

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 101, 155, 167, 170, 202, 310, 334, 505, 527, 835, 1010, 1054, 1670, 1717, 2635, 2839, 3131, 3434, 5177, 5270, 5678, 6262, 8585, 10354, 14195, 15655, 16867, 17170, 25885, 28390, 31310, 33734, 51770, 53227, 84335, 88009, 106454, 168670, 176018, 266135, 286739, 440045, 522877, 532270, 573478, 880090, 1045754, 1433695, 2614385, 2867390, 5228770, 8888909, 17777818, 44444545, 88889090]

約数ペア:

[(1, 88889090), (2, 44444545), (5, 17777818), (10, 8888909), (17, 5228770), (31, 2867390), (34, 2614385), (62, 1433695), (85, 1045754), (101, 880090), (155, 573478), (167, 532270), (170, 522877), (202, 440045), (310, 286739), (334, 266135), (505, 176018), (527, 168670), (835, 106454), (1010, 88009), (1054, 84335), (1670, 53227), (1717, 51770), (2635, 33734), (2839, 31310), (3131, 28390), (3434, 25885), (5177, 17170), (5270, 16867), (5678, 15655), (6262, 14195), (8585, 10354)]