128849895940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{207041}}^1$

素因数の和:207145

約数の個数: 72

約数和(自身を含む): 287812396872

約数和(自身を除く): 158962500932

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 841, 1073, 1682, 2146, 3364, 4205, 4292, 5365, 8410, 10730, 16820, 21460, 31117, 62234, 124468, 155585, 207041, 311170, 414082, 622340, 828164, 1035205, 2070410, 4140820, 6004189, 7660517, 12008378, 15321034, 24016756, 30020945, 30642068, 38302585, 60041890, 76605170, 120083780, 153210340, 174121481, 222154993, 348242962, 444309986, 696485924, 870607405, 888619972, 1110774965, 1741214810, 2221549930, 3482429620, 4443099860, 6442494797, 12884989594, 25769979188, 32212473985, 64424947970, 128849895940]

約数ペア:

[(1, 128849895940), (2, 64424947970), (4, 32212473985), (5, 25769979188), (10, 12884989594), (20, 6442494797), (29, 4443099860), (37, 3482429620), (58, 2221549930), (74, 1741214810), (116, 1110774965), (145, 888619972), (148, 870607405), (185, 696485924), (290, 444309986), (370, 348242962), (580, 222154993), (740, 174121481), (841, 153210340), (1073, 120083780), (1682, 76605170), (2146, 60041890), (3364, 38302585), (4205, 30642068), (4292, 30020945), (5365, 24016756), (8410, 15321034), (10730, 12008378), (16820, 7660517), (21460, 6004189), (31117, 4140820), (62234, 2070410), (124468, 1035205), (155585, 828164), (207041, 622340), (311170, 414082)]