156949970680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{636043}}^1$

素因数の和:636284

約数の個数: 64

約数和(自身を含む): 366361344000

約数和(自身を除く): 209411373320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 995, 1240, 1592, 1990, 3980, 6169, 7960, 12338, 24676, 30845, 49352, 61690, 123380, 246760, 636043, 1272086, 2544172, 3180215, 5088344, 6360430, 12720860, 19717333, 25441720, 39434666, 78869332, 98586665, 126572557, 157738664, 197173330, 253145114, 394346660, 506290228, 632862785, 788693320, 1012580456, 1265725570, 2531451140, 3923749267, 5062902280, 7847498534, 15694997068, 19618746335, 31389994136, 39237492670, 78474985340, 156949970680]

約数ペア:

[(1, 156949970680), (2, 78474985340), (4, 39237492670), (5, 31389994136), (8, 19618746335), (10, 15694997068), (20, 7847498534), (31, 5062902280), (40, 3923749267), (62, 2531451140), (124, 1265725570), (155, 1012580456), (199, 788693320), (248, 632862785), (310, 506290228), (398, 394346660), (620, 253145114), (796, 197173330), (995, 157738664), (1240, 126572557), (1592, 98586665), (1990, 78869332), (3980, 39434666), (6169, 25441720), (7960, 19717333), (12338, 12720860), (24676, 6360430), (30845, 5088344), (49352, 3180215), (61690, 2544172), (123380, 1272086), (246760, 636043)]