204080709164

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{20101}}^1$

素因数の和:20311

約数の個数: 72

約数和(自身を含む): 386006644800

約数和(自身を除く): 181925935636

約数列:

[1, 2, 4, 19, 38, 76, 79, 89, 158, 178, 316, 356, 361, 722, 1444, 1501, 1691, 3002, 3382, 6004, 6764, 7031, 14062, 20101, 28124, 28519, 32129, 40202, 57038, 64258, 80404, 114076, 128516, 133589, 267178, 381919, 534356, 763838, 1527676, 1587979, 1788989, 2538191, 3175958, 3577978, 5076382, 6351916, 7155956, 7256461, 10152764, 14512922, 29025844, 30171601, 33990791, 60343202, 67981582, 120686404, 135963164, 141330131, 282660262, 565320524, 573260419, 645825029, 1146520838, 1291650058, 2293041676, 2583300116, 2685272489, 5370544978, 10741089956, 51020177291, 102040354582, 204080709164]

約数ペア:

[(1, 204080709164), (2, 102040354582), (4, 51020177291), (19, 10741089956), (38, 5370544978), (76, 2685272489), (79, 2583300116), (89, 2293041676), (158, 1291650058), (178, 1146520838), (316, 645825029), (356, 573260419), (361, 565320524), (722, 282660262), (1444, 141330131), (1501, 135963164), (1691, 120686404), (3002, 67981582), (3382, 60343202), (6004, 33990791), (6764, 30171601), (7031, 29025844), (14062, 14512922), (20101, 10152764), (28124, 7256461), (28519, 7155956), (32129, 6351916), (40202, 5076382), (57038, 3577978), (64258, 3175958), (80404, 2538191), (114076, 1788989), (128516, 1587979), (133589, 1527676), (267178, 763838), (381919, 534356)]