289679320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3257

約数の個数: 128

約数和(自身を含む): 830476800

約数和(自身を除く): 540797480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 3203, 3230, 4522, 4760, 5320, 6406, 6460, 9044, 11305, 12812, 12920, 16015, 18088, 22421, 22610, 25624, 32030, 44842, 45220, 54451, 60857, 64060, 89684, 90440, 108902, 112105, 121714, 128120, 179368, 217804, 224210, 243428, 272255, 304285, 381157, 425999, 435608, 448420, 486856, 544510, 608570, 762314, 851998, 896840, 1034569, 1089020, 1217140, 1524628, 1703996, 1905785, 2069138, 2129995, 2178040, 2434280, 3049256, 3407992, 3811570, 4138276, 4259990, 5172845, 7241983, 7623140, 8276552, 8519980, 10345690, 14483966, 15246280, 17039960, 20691380, 28967932, 36209915, 41382760, 57935864, 72419830, 144839660, 289679320]

約数ペア:

[(1, 289679320), (2, 144839660), (4, 72419830), (5, 57935864), (7, 41382760), (8, 36209915), (10, 28967932), (14, 20691380), (17, 17039960), (19, 15246280), (20, 14483966), (28, 10345690), (34, 8519980), (35, 8276552), (38, 7623140), (40, 7241983), (56, 5172845), (68, 4259990), (70, 4138276), (76, 3811570), (85, 3407992), (95, 3049256), (119, 2434280), (133, 2178040), (136, 2129995), (140, 2069138), (152, 1905785), (170, 1703996), (190, 1524628), (238, 1217140), (266, 1089020), (280, 1034569), (323, 896840), (340, 851998), (380, 762314), (476, 608570), (532, 544510), (595, 486856), (646, 448420), (665, 435608), (680, 425999), (760, 381157), (952, 304285), (1064, 272255), (1190, 243428), (1292, 224210), (1330, 217804), (1615, 179368), (2261, 128120), (2380, 121714), (2584, 112105), (2660, 108902), (3203, 90440), (3230, 89684), (4522, 64060), (4760, 60857), (5320, 54451), (6406, 45220), (6460, 44842), (9044, 32030), (11305, 25624), (12812, 22610), (12920, 22421), (16015, 18088)]