31289700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 99743616

約数和(自身を除く): 68453916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 71, 75, 78, 100, 113, 130, 142, 150, 156, 195, 213, 226, 260, 284, 300, 325, 339, 355, 390, 426, 452, 565, 650, 678, 710, 780, 852, 923, 975, 1065, 1130, 1300, 1356, 1420, 1469, 1695, 1775, 1846, 1950, 2130, 2260, 2769, 2825, 2938, 3390, 3550, 3692, 3900, 4260, 4407, 4615, 5325, 5538, 5650, 5876, 6780, 7100, 7345, 8023, 8475, 8814, 9230, 10650, 11076, 11300, 13845, 14690, 16046, 16950, 17628, 18460, 21300, 22035, 23075, 24069, 27690, 29380, 32092, 33900, 36725, 40115, 44070, 46150, 48138, 55380, 69225, 73450, 80230, 88140, 92300, 96276, 104299, 110175, 120345, 138450, 146900, 160460, 200575, 208598, 220350, 240690, 276900, 312897, 401150, 417196, 440700, 481380, 521495, 601725, 625794, 802300, 1042990, 1203450, 1251588, 1564485, 2085980, 2406900, 2607475, 3128970, 5214950, 6257940, 7822425, 10429900, 15644850, 31289700]

約数ペア:

[(1, 31289700), (2, 15644850), (3, 10429900), (4, 7822425), (5, 6257940), (6, 5214950), (10, 3128970), (12, 2607475), (13, 2406900), (15, 2085980), (20, 1564485), (25, 1251588), (26, 1203450), (30, 1042990), (39, 802300), (50, 625794), (52, 601725), (60, 521495), (65, 481380), (71, 440700), (75, 417196), (78, 401150), (100, 312897), (113, 276900), (130, 240690), (142, 220350), (150, 208598), (156, 200575), (195, 160460), (213, 146900), (226, 138450), (260, 120345), (284, 110175), (300, 104299), (325, 96276), (339, 92300), (355, 88140), (390, 80230), (426, 73450), (452, 69225), (565, 55380), (650, 48138), (678, 46150), (710, 44070), (780, 40115), (852, 36725), (923, 33900), (975, 32092), (1065, 29380), (1130, 27690), (1300, 24069), (1356, 23075), (1420, 22035), (1469, 21300), (1695, 18460), (1775, 17628), (1846, 16950), (1950, 16046), (2130, 14690), (2260, 13845), (2769, 11300), (2825, 11076), (2938, 10650), (3390, 9230), (3550, 8814), (3692, 8475), (3900, 8023), (4260, 7345), (4407, 7100), (4615, 6780), (5325, 5876), (5538, 5650)]