990545140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 2371493376

約数和(自身を除く): 1380948236

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 71, 92, 115, 130, 142, 230, 260, 284, 299, 355, 460, 598, 710, 923, 1196, 1420, 1495, 1633, 1846, 2333, 2990, 3266, 3692, 4615, 4666, 5980, 6532, 8165, 9230, 9332, 11665, 16330, 18460, 21229, 23330, 30329, 32660, 42458, 46660, 53659, 60658, 84916, 106145, 107318, 121316, 151645, 165643, 212290, 214636, 268295, 303290, 331286, 424580, 536590, 606580, 662572, 697567, 828215, 1073180, 1395134, 1656430, 2153359, 2790268, 3312860, 3487835, 3809789, 4306718, 6975670, 7619578, 8613436, 10766795, 13951340, 15239156, 19048945, 21533590, 38097890, 43067180, 49527257, 76195780, 99054514, 198109028, 247636285, 495272570, 990545140]

約数ペア:

[(1, 990545140), (2, 495272570), (4, 247636285), (5, 198109028), (10, 99054514), (13, 76195780), (20, 49527257), (23, 43067180), (26, 38097890), (46, 21533590), (52, 19048945), (65, 15239156), (71, 13951340), (92, 10766795), (115, 8613436), (130, 7619578), (142, 6975670), (230, 4306718), (260, 3809789), (284, 3487835), (299, 3312860), (355, 2790268), (460, 2153359), (598, 1656430), (710, 1395134), (923, 1073180), (1196, 828215), (1420, 697567), (1495, 662572), (1633, 606580), (1846, 536590), (2333, 424580), (2990, 331286), (3266, 303290), (3692, 268295), (4615, 214636), (4666, 212290), (5980, 165643), (6532, 151645), (8165, 121316), (9230, 107318), (9332, 106145), (11665, 84916), (16330, 60658), (18460, 53659), (21229, 46660), (23330, 42458), (30329, 32660)]