143291980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1907}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 344424528

約数和(自身を除く): 201132548

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 1907, 2210, 2890, 3757, 3814, 4420, 5780, 7514, 7628, 9535, 15028, 18785, 19070, 24791, 32419, 37570, 38140, 49582, 64838, 75140, 99164, 123955, 129676, 162095, 247910, 324190, 421447, 495820, 551123, 648380, 842894, 1102246, 1685788, 2107235, 2204492, 2755615, 4214470, 5511230, 7164599, 8428940, 11022460, 14329198, 28658396, 35822995, 71645990, 143291980]

約数ペア:

[(1, 143291980), (2, 71645990), (4, 35822995), (5, 28658396), (10, 14329198), (13, 11022460), (17, 8428940), (20, 7164599), (26, 5511230), (34, 4214470), (52, 2755615), (65, 2204492), (68, 2107235), (85, 1685788), (130, 1102246), (170, 842894), (221, 648380), (260, 551123), (289, 495820), (340, 421447), (442, 324190), (578, 247910), (884, 162095), (1105, 129676), (1156, 123955), (1445, 99164), (1907, 75140), (2210, 64838), (2890, 49582), (3757, 38140), (3814, 37570), (4420, 32419), (5780, 24791), (7514, 19070), (7628, 18785), (9535, 15028)]