1681149400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 4612204800

約数和(自身を除く): 2931055400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 139, 140, 163, 175, 200, 212, 265, 278, 280, 326, 350, 371, 424, 530, 556, 652, 695, 700, 742, 815, 973, 1060, 1112, 1141, 1304, 1325, 1390, 1400, 1484, 1630, 1855, 1946, 2120, 2282, 2650, 2780, 2968, 3260, 3475, 3710, 3892, 4075, 4564, 4865, 5300, 5560, 5705, 6520, 6950, 7367, 7420, 7784, 8150, 8639, 9128, 9275, 9730, 10600, 11410, 13900, 14734, 14840, 16300, 17278, 18550, 19460, 22657, 22820, 24325, 27800, 28525, 29468, 32600, 34556, 36835, 37100, 38920, 43195, 45314, 45640, 48650, 51569, 57050, 58936, 60473, 69112, 73670, 74200, 86390, 90628, 97300, 103138, 113285, 114100, 120946, 147340, 158599, 172780, 181256, 184175, 194600, 206276, 215975, 226570, 228200, 241892, 257845, 294680, 302365, 317198, 345560, 368350, 412552, 431950, 453140, 483784, 515690, 566425, 604730, 634396, 736700, 792995, 863900, 906280, 1031380, 1132850, 1200821, 1209460, 1268792, 1289225, 1473400, 1511825, 1585990, 1727800, 2062760, 2265700, 2401642, 2418920, 2578450, 3023650, 3171980, 3964975, 4531400, 4803284, 5156900, 6004105, 6047300, 6343960, 7929950, 8405747, 9606568, 10313800, 12008210, 12094600, 15859900, 16811494, 24016420, 30020525, 31719800, 33622988, 42028735, 48032840, 60041050, 67245976, 84057470, 120082100, 168114940, 210143675, 240164200, 336229880, 420287350, 840574700, 1681149400]

約数ペア:

[(1, 1681149400), (2, 840574700), (4, 420287350), (5, 336229880), (7, 240164200), (8, 210143675), (10, 168114940), (14, 120082100), (20, 84057470), (25, 67245976), (28, 60041050), (35, 48032840), (40, 42028735), (50, 33622988), (53, 31719800), (56, 30020525), (70, 24016420), (100, 16811494), (106, 15859900), (139, 12094600), (140, 12008210), (163, 10313800), (175, 9606568), (200, 8405747), (212, 7929950), (265, 6343960), (278, 6047300), (280, 6004105), (326, 5156900), (350, 4803284), (371, 4531400), (424, 3964975), (530, 3171980), (556, 3023650), (652, 2578450), (695, 2418920), (700, 2401642), (742, 2265700), (815, 2062760), (973, 1727800), (1060, 1585990), (1112, 1511825), (1141, 1473400), (1304, 1289225), (1325, 1268792), (1390, 1209460), (1400, 1200821), (1484, 1132850), (1630, 1031380), (1855, 906280), (1946, 863900), (2120, 792995), (2282, 736700), (2650, 634396), (2780, 604730), (2968, 566425), (3260, 515690), (3475, 483784), (3710, 453140), (3892, 431950), (4075, 412552), (4564, 368350), (4865, 345560), (5300, 317198), (5560, 302365), (5705, 294680), (6520, 257845), (6950, 241892), (7367, 228200), (7420, 226570), (7784, 215975), (8150, 206276), (8639, 194600), (9128, 184175), (9275, 181256), (9730, 172780), (10600, 158599), (11410, 147340), (13900, 120946), (14734, 114100), (14840, 113285), (16300, 103138), (17278, 97300), (18550, 90628), (19460, 86390), (22657, 74200), (22820, 73670), (24325, 69112), (27800, 60473), (28525, 58936), (29468, 57050), (32600, 51569), (34556, 48650), (36835, 45640), (37100, 45314), (38920, 43195)]