145051990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 282886992

約数和(自身を除く): 137835002

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 289, 530, 578, 901, 947, 1445, 1802, 1894, 2890, 4505, 4735, 9010, 9470, 15317, 16099, 30634, 32198, 50191, 76585, 80495, 100382, 153170, 160990, 250955, 273683, 501910, 547366, 853247, 1368415, 1706494, 2736830, 4266235, 8532470, 14505199, 29010398, 72525995, 145051990]

約数ペア:

[(1, 145051990), (2, 72525995), (5, 29010398), (10, 14505199), (17, 8532470), (34, 4266235), (53, 2736830), (85, 1706494), (106, 1368415), (170, 853247), (265, 547366), (289, 501910), (530, 273683), (578, 250955), (901, 160990), (947, 153170), (1445, 100382), (1802, 80495), (1894, 76585), (2890, 50191), (4505, 32198), (4735, 30634), (9010, 16099), (9470, 15317)]