201880100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 467548200

約数和(自身を除く): 265668100

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 149, 170, 298, 340, 425, 596, 745, 797, 850, 1490, 1594, 1700, 2533, 2980, 3188, 3725, 3985, 5066, 7450, 7970, 10132, 12665, 13549, 14900, 15940, 19925, 25330, 27098, 39850, 50660, 54196, 63325, 67745, 79700, 118753, 126650, 135490, 237506, 253300, 270980, 338725, 475012, 593765, 677450, 1187530, 1354900, 2018801, 2375060, 2968825, 4037602, 5937650, 8075204, 10094005, 11875300, 20188010, 40376020, 50470025, 100940050, 201880100]

約数ペア:

[(1, 201880100), (2, 100940050), (4, 50470025), (5, 40376020), (10, 20188010), (17, 11875300), (20, 10094005), (25, 8075204), (34, 5937650), (50, 4037602), (68, 2968825), (85, 2375060), (100, 2018801), (149, 1354900), (170, 1187530), (298, 677450), (340, 593765), (425, 475012), (596, 338725), (745, 270980), (797, 253300), (850, 237506), (1490, 135490), (1594, 126650), (1700, 118753), (2533, 79700), (2980, 67745), (3188, 63325), (3725, 54196), (3985, 50660), (5066, 39850), (7450, 27098), (7970, 25330), (10132, 19925), (12665, 15940), (13549, 14900)]