72501910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 149688000

約数和(自身を除く): 77186090

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 149, 190, 197, 247, 298, 394, 494, 745, 985, 1235, 1490, 1937, 1970, 2470, 2561, 2831, 3743, 3874, 5122, 5662, 7486, 9685, 12805, 14155, 18715, 19370, 25610, 28310, 29353, 36803, 37430, 48659, 58706, 73606, 97318, 146765, 184015, 243295, 293530, 368030, 381589, 486590, 557707, 763178, 1115414, 1907945, 2788535, 3815890, 5577070, 7250191, 14500382, 36250955, 72501910]

約数ペア:

[(1, 72501910), (2, 36250955), (5, 14500382), (10, 7250191), (13, 5577070), (19, 3815890), (26, 2788535), (38, 1907945), (65, 1115414), (95, 763178), (130, 557707), (149, 486590), (190, 381589), (197, 368030), (247, 293530), (298, 243295), (394, 184015), (494, 146765), (745, 97318), (985, 73606), (1235, 58706), (1490, 48659), (1937, 37430), (1970, 36803), (2470, 29353), (2561, 28310), (2831, 25610), (3743, 19370), (3874, 18715), (5122, 14155), (5662, 12805), (7486, 9685)]