2116710820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 5342718528

約数和(自身を除く): 3226007708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 83, 98, 106, 140, 166, 196, 212, 245, 265, 332, 371, 415, 490, 491, 530, 581, 742, 830, 980, 982, 1060, 1162, 1484, 1660, 1855, 1964, 2324, 2455, 2597, 2905, 3437, 3710, 4067, 4399, 4910, 5194, 5810, 6874, 7420, 8134, 8798, 9820, 10388, 11620, 12985, 13748, 16268, 17185, 17596, 20335, 21995, 24059, 25970, 26023, 30793, 34370, 40670, 40753, 43990, 48118, 51940, 52046, 61586, 68740, 81340, 81506, 87980, 96236, 104092, 120295, 123172, 130115, 153965, 163012, 182161, 203765, 215551, 240590, 260230, 285271, 307930, 364322, 407530, 431102, 481180, 520460, 570542, 615860, 728644, 815060, 862204, 910805, 1077755, 1141084, 1275127, 1426355, 1821610, 1996897, 2155510, 2159909, 2550254, 2852710, 3643220, 3993794, 4311020, 4319818, 5100508, 5705420, 6375635, 7987588, 8639636, 9984485, 10799545, 12751270, 15119363, 19968970, 21599090, 25502540, 30238726, 39937940, 43198180, 60477452, 75596815, 105835541, 151193630, 211671082, 302387260, 423342164, 529177705, 1058355410, 2116710820]

約数ペア:

[(1, 2116710820), (2, 1058355410), (4, 529177705), (5, 423342164), (7, 302387260), (10, 211671082), (14, 151193630), (20, 105835541), (28, 75596815), (35, 60477452), (49, 43198180), (53, 39937940), (70, 30238726), (83, 25502540), (98, 21599090), (106, 19968970), (140, 15119363), (166, 12751270), (196, 10799545), (212, 9984485), (245, 8639636), (265, 7987588), (332, 6375635), (371, 5705420), (415, 5100508), (490, 4319818), (491, 4311020), (530, 3993794), (581, 3643220), (742, 2852710), (830, 2550254), (980, 2159909), (982, 2155510), (1060, 1996897), (1162, 1821610), (1484, 1426355), (1660, 1275127), (1855, 1141084), (1964, 1077755), (2324, 910805), (2455, 862204), (2597, 815060), (2905, 728644), (3437, 615860), (3710, 570542), (4067, 520460), (4399, 481180), (4910, 431102), (5194, 407530), (5810, 364322), (6874, 307930), (7420, 285271), (8134, 260230), (8798, 240590), (9820, 215551), (10388, 203765), (11620, 182161), (12985, 163012), (13748, 153965), (16268, 130115), (17185, 123172), (17596, 120295), (20335, 104092), (21995, 96236), (24059, 87980), (25970, 81506), (26023, 81340), (30793, 68740), (34370, 61586), (40670, 52046), (40753, 51940), (43990, 48118)]