238863680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 168

約数和(自身を含む): 648614400

約数和(自身を除く): 409750720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 199, 220, 242, 248, 310, 320, 341, 352, 398, 440, 484, 496, 605, 620, 682, 704, 796, 880, 968, 992, 995, 1210, 1240, 1364, 1592, 1705, 1760, 1936, 1984, 1990, 2189, 2420, 2480, 2728, 3184, 3410, 3520, 3751, 3872, 3980, 4378, 4840, 4960, 5456, 6169, 6368, 6820, 7502, 7744, 7960, 8756, 9680, 9920, 10912, 10945, 12338, 12736, 13640, 15004, 15920, 17512, 18755, 19360, 21824, 21890, 24079, 24676, 27280, 30008, 30845, 31840, 35024, 37510, 38720, 43780, 48158, 49352, 54560, 60016, 61690, 63680, 67859, 70048, 75020, 87560, 96316, 98704, 109120, 120032, 120395, 123380, 135718, 140096, 150040, 175120, 192632, 197408, 240064, 240790, 246760, 271436, 300080, 339295, 350240, 385264, 394816, 481580, 493520, 542872, 600160, 678590, 700480, 746449, 770528, 963160, 987040, 1085744, 1200320, 1357180, 1492898, 1541056, 1926320, 1974080, 2171488, 2714360, 2985796, 3732245, 3852640, 4342976, 5428720, 5971592, 7464490, 7705280, 10857440, 11943184, 14928980, 21714880, 23886368, 29857960, 47772736, 59715920, 119431840, 238863680]

約数ペア:

[(1, 238863680), (2, 119431840), (4, 59715920), (5, 47772736), (8, 29857960), (10, 23886368), (11, 21714880), (16, 14928980), (20, 11943184), (22, 10857440), (31, 7705280), (32, 7464490), (40, 5971592), (44, 5428720), (55, 4342976), (62, 3852640), (64, 3732245), (80, 2985796), (88, 2714360), (110, 2171488), (121, 1974080), (124, 1926320), (155, 1541056), (160, 1492898), (176, 1357180), (199, 1200320), (220, 1085744), (242, 987040), (248, 963160), (310, 770528), (320, 746449), (341, 700480), (352, 678590), (398, 600160), (440, 542872), (484, 493520), (496, 481580), (605, 394816), (620, 385264), (682, 350240), (704, 339295), (796, 300080), (880, 271436), (968, 246760), (992, 240790), (995, 240064), (1210, 197408), (1240, 192632), (1364, 175120), (1592, 150040), (1705, 140096), (1760, 135718), (1936, 123380), (1984, 120395), (1990, 120032), (2189, 109120), (2420, 98704), (2480, 96316), (2728, 87560), (3184, 75020), (3410, 70048), (3520, 67859), (3751, 63680), (3872, 61690), (3980, 60016), (4378, 54560), (4840, 49352), (4960, 48158), (5456, 43780), (6169, 38720), (6368, 37510), (6820, 35024), (7502, 31840), (7744, 30845), (7960, 30008), (8756, 27280), (9680, 24676), (9920, 24079), (10912, 21890), (10945, 21824), (12338, 19360), (12736, 18755), (13640, 17512), (15004, 15920)]