72920990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 145939968

約数和(自身を除く): 73018978

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 101, 137, 155, 170, 202, 274, 310, 505, 527, 685, 1010, 1054, 1370, 1717, 2329, 2635, 3131, 3434, 4247, 4658, 5270, 6262, 8494, 8585, 11645, 13837, 15655, 17170, 21235, 23290, 27674, 31310, 42470, 53227, 69185, 72199, 106454, 138370, 144398, 235229, 266135, 360995, 428947, 470458, 532270, 721990, 857894, 1176145, 2144735, 2352290, 4289470, 7292099, 14584198, 36460495, 72920990]

約数ペア:

[(1, 72920990), (2, 36460495), (5, 14584198), (10, 7292099), (17, 4289470), (31, 2352290), (34, 2144735), (62, 1176145), (85, 857894), (101, 721990), (137, 532270), (155, 470458), (170, 428947), (202, 360995), (274, 266135), (310, 235229), (505, 144398), (527, 138370), (685, 106454), (1010, 72199), (1054, 69185), (1370, 53227), (1717, 42470), (2329, 31310), (2635, 27674), (3131, 23290), (3434, 21235), (4247, 17170), (4658, 15655), (5270, 13837), (6262, 11645), (8494, 8585)]