297879440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 781021440

約数和(自身を除く): 483142000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 89, 92, 107, 115, 136, 170, 178, 184, 214, 230, 272, 340, 356, 368, 391, 428, 445, 460, 535, 680, 712, 782, 856, 890, 920, 1070, 1360, 1424, 1513, 1564, 1712, 1780, 1819, 1840, 1955, 2047, 2140, 2461, 3026, 3128, 3560, 3638, 3910, 4094, 4280, 4922, 6052, 6256, 7120, 7276, 7565, 7820, 8188, 8560, 9095, 9523, 9844, 10235, 12104, 12305, 14552, 15130, 15640, 16376, 18190, 19046, 19688, 20470, 24208, 24610, 29104, 30260, 31280, 32752, 34799, 36380, 38092, 39376, 40940, 41837, 47615, 49220, 60520, 69598, 72760, 76184, 81880, 83674, 95230, 98440, 121040, 139196, 145520, 152368, 161891, 163760, 167348, 173995, 190460, 196880, 209185, 219029, 278392, 323782, 334696, 347990, 380920, 418370, 438058, 556784, 647564, 669392, 695980, 761840, 809455, 836740, 876116, 1095145, 1295128, 1391960, 1618910, 1673480, 1752232, 2190290, 2590256, 2783920, 3237820, 3346960, 3504464, 3723493, 4380580, 6475640, 7446986, 8761160, 12951280, 14893972, 17522320, 18617465, 29787944, 37234930, 59575888, 74469860, 148939720, 297879440]

約数ペア:

[(1, 297879440), (2, 148939720), (4, 74469860), (5, 59575888), (8, 37234930), (10, 29787944), (16, 18617465), (17, 17522320), (20, 14893972), (23, 12951280), (34, 8761160), (40, 7446986), (46, 6475640), (68, 4380580), (80, 3723493), (85, 3504464), (89, 3346960), (92, 3237820), (107, 2783920), (115, 2590256), (136, 2190290), (170, 1752232), (178, 1673480), (184, 1618910), (214, 1391960), (230, 1295128), (272, 1095145), (340, 876116), (356, 836740), (368, 809455), (391, 761840), (428, 695980), (445, 669392), (460, 647564), (535, 556784), (680, 438058), (712, 418370), (782, 380920), (856, 347990), (890, 334696), (920, 323782), (1070, 278392), (1360, 219029), (1424, 209185), (1513, 196880), (1564, 190460), (1712, 173995), (1780, 167348), (1819, 163760), (1840, 161891), (1955, 152368), (2047, 145520), (2140, 139196), (2461, 121040), (3026, 98440), (3128, 95230), (3560, 83674), (3638, 81880), (3910, 76184), (4094, 72760), (4280, 69598), (4922, 60520), (6052, 49220), (6256, 47615), (7120, 41837), (7276, 40940), (7565, 39376), (7820, 38092), (8188, 36380), (8560, 34799), (9095, 32752), (9523, 31280), (9844, 30260), (10235, 29104), (12104, 24610), (12305, 24208), (14552, 20470), (15130, 19688), (15640, 19046), (16376, 18190)]