28160090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 34877350

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 683, 1085, 1178, 1330, 1366, 2170, 2945, 3415, 4123, 4781, 5890, 6830, 8246, 9562, 12977, 20615, 21173, 23905, 25954, 41230, 42346, 47810, 64885, 90839, 105865, 129770, 148211, 181678, 211730, 296422, 402287, 454195, 741055, 804574, 908390, 1482110, 2011435, 2816009, 4022870, 5632018, 14080045, 28160090]

約数ペア:

[(1, 28160090), (2, 14080045), (5, 5632018), (7, 4022870), (10, 2816009), (14, 2011435), (19, 1482110), (31, 908390), (35, 804574), (38, 741055), (62, 454195), (70, 402287), (95, 296422), (133, 211730), (155, 181678), (190, 148211), (217, 129770), (266, 105865), (310, 90839), (434, 64885), (589, 47810), (665, 42346), (683, 41230), (1085, 25954), (1178, 23905), (1330, 21173), (1366, 20615), (2170, 12977), (2945, 9562), (3415, 8246), (4123, 6830), (4781, 5890)]