2021671750220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{2347451}}^1$

素因数の和:2347643

約数の個数: 72

約数和(自身を含む): 4540206913200

約数和(自身を除く): 2518535162980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 289, 298, 340, 578, 596, 745, 1156, 1445, 1490, 2533, 2890, 2980, 5066, 5780, 10132, 12665, 25330, 43061, 50660, 86122, 172244, 215305, 430610, 861220, 2347451, 4694902, 9389804, 11737255, 23474510, 39906667, 46949020, 79813334, 159626668, 199533335, 349770199, 399066670, 678413339, 699540398, 798133340, 1356826678, 1399080796, 1748850995, 2713653356, 3392066695, 3497701990, 5946093383, 6784133390, 6995403980, 11892186766, 13568266780, 23784373532, 29730466915, 59460933830, 101083587511, 118921867660, 202167175022, 404334350044, 505417937555, 1010835875110, 2021671750220]

約数ペア:

[(1, 2021671750220), (2, 1010835875110), (4, 505417937555), (5, 404334350044), (10, 202167175022), (17, 118921867660), (20, 101083587511), (34, 59460933830), (68, 29730466915), (85, 23784373532), (149, 13568266780), (170, 11892186766), (289, 6995403980), (298, 6784133390), (340, 5946093383), (578, 3497701990), (596, 3392066695), (745, 2713653356), (1156, 1748850995), (1445, 1399080796), (1490, 1356826678), (2533, 798133340), (2890, 699540398), (2980, 678413339), (5066, 399066670), (5780, 349770199), (10132, 199533335), (12665, 159626668), (25330, 79813334), (43061, 46949020), (50660, 39906667), (86122, 23474510), (172244, 11737255), (215305, 9389804), (430610, 4694902), (861220, 2347451)]