398135920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3267

約数の個数: 160

約数和(自身を含む): 1206672768

約数和(自身を除く): 808536848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2210, 2380, 3094, 3217, 3536, 3640, 4420, 4760, 6188, 6434, 7280, 7735, 8840, 9520, 12376, 12868, 15470, 16085, 17680, 22519, 24752, 25736, 30940, 32170, 41821, 45038, 51472, 54689, 61880, 64340, 83642, 90076, 109378, 112595, 123760, 128680, 167284, 180152, 209105, 218756, 225190, 257360, 273445, 292747, 334568, 360304, 382823, 418210, 437512, 450380, 546890, 585494, 669136, 710957, 765646, 836420, 875024, 900760, 1093780, 1170988, 1421914, 1463735, 1531292, 1672840, 1801520, 1914115, 2187560, 2341976, 2843828, 2927470, 3062584, 3345680, 3554785, 3828230, 4375120, 4683952, 4976699, 5687656, 5854940, 6125168, 7109570, 7656460, 9953398, 11375312, 11709880, 14219140, 15312920, 19906796, 23419760, 24883495, 28438280, 30625840, 39813592, 49766990, 56876560, 79627184, 99533980, 199067960, 398135920]

約数ペア:

[(1, 398135920), (2, 199067960), (4, 99533980), (5, 79627184), (7, 56876560), (8, 49766990), (10, 39813592), (13, 30625840), (14, 28438280), (16, 24883495), (17, 23419760), (20, 19906796), (26, 15312920), (28, 14219140), (34, 11709880), (35, 11375312), (40, 9953398), (52, 7656460), (56, 7109570), (65, 6125168), (68, 5854940), (70, 5687656), (80, 4976699), (85, 4683952), (91, 4375120), (104, 3828230), (112, 3554785), (119, 3345680), (130, 3062584), (136, 2927470), (140, 2843828), (170, 2341976), (182, 2187560), (208, 1914115), (221, 1801520), (238, 1672840), (260, 1531292), (272, 1463735), (280, 1421914), (340, 1170988), (364, 1093780), (442, 900760), (455, 875024), (476, 836420), (520, 765646), (560, 710957), (595, 669136), (680, 585494), (728, 546890), (884, 450380), (910, 437512), (952, 418210), (1040, 382823), (1105, 360304), (1190, 334568), (1360, 292747), (1456, 273445), (1547, 257360), (1768, 225190), (1820, 218756), (1904, 209105), (2210, 180152), (2380, 167284), (3094, 128680), (3217, 123760), (3536, 112595), (3640, 109378), (4420, 90076), (4760, 83642), (6188, 64340), (6434, 61880), (7280, 54689), (7735, 51472), (8840, 45038), (9520, 41821), (12376, 32170), (12868, 30940), (15470, 25736), (16085, 24752), (17680, 22519)]