977772700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7841}}^1$

素因数の和:7927

約数の個数: 72

約数和(自身を含む): 2246262480

約数和(自身を除く): 1268489780

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 86, 100, 116, 145, 172, 215, 290, 430, 580, 725, 860, 1075, 1247, 1450, 2150, 2494, 2900, 4300, 4988, 6235, 7841, 12470, 15682, 24940, 31175, 31364, 39205, 62350, 78410, 124700, 156820, 196025, 227389, 337163, 392050, 454778, 674326, 784100, 909556, 1136945, 1348652, 1685815, 2273890, 3371630, 4547780, 5684725, 6743260, 8429075, 9777727, 11369450, 16858150, 19555454, 22738900, 33716300, 39110908, 48888635, 97777270, 195554540, 244443175, 488886350, 977772700]

約数ペア:

[(1, 977772700), (2, 488886350), (4, 244443175), (5, 195554540), (10, 97777270), (20, 48888635), (25, 39110908), (29, 33716300), (43, 22738900), (50, 19555454), (58, 16858150), (86, 11369450), (100, 9777727), (116, 8429075), (145, 6743260), (172, 5684725), (215, 4547780), (290, 3371630), (430, 2273890), (580, 1685815), (725, 1348652), (860, 1136945), (1075, 909556), (1247, 784100), (1450, 674326), (2150, 454778), (2494, 392050), (2900, 337163), (4300, 227389), (4988, 196025), (6235, 156820), (7841, 124700), (12470, 78410), (15682, 62350), (24940, 39205), (31175, 31364)]