766245680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5197}}^1$

素因数の和:5326

約数の個数: 80

約数和(自身を含む): 1894982880

約数和(自身を除く): 1128737200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 3686, 3880, 5197, 7372, 7760, 9215, 10394, 14744, 18430, 20788, 25985, 29488, 36860, 41576, 51970, 73720, 83152, 98743, 103940, 147440, 197486, 207880, 394972, 415760, 493715, 504109, 789944, 987430, 1008218, 1579888, 1974860, 2016436, 2520545, 3949720, 4032872, 5041090, 7899440, 8065744, 9578071, 10082180, 19156142, 20164360, 38312284, 40328720, 47890355, 76624568, 95780710, 153249136, 191561420, 383122840, 766245680]

約数ペア:

[(1, 766245680), (2, 383122840), (4, 191561420), (5, 153249136), (8, 95780710), (10, 76624568), (16, 47890355), (19, 40328720), (20, 38312284), (38, 20164360), (40, 19156142), (76, 10082180), (80, 9578071), (95, 8065744), (97, 7899440), (152, 5041090), (190, 4032872), (194, 3949720), (304, 2520545), (380, 2016436), (388, 1974860), (485, 1579888), (760, 1008218), (776, 987430), (970, 789944), (1520, 504109), (1552, 493715), (1843, 415760), (1940, 394972), (3686, 207880), (3880, 197486), (5197, 147440), (7372, 103940), (7760, 98743), (9215, 83152), (10394, 73720), (14744, 51970), (18430, 41576), (20788, 36860), (25985, 29488)]