388824320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 988968960

約数和(自身を除く): 600144640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 239, 248, 256, 310, 320, 328, 410, 478, 496, 620, 640, 656, 820, 956, 992, 1195, 1240, 1271, 1280, 1312, 1640, 1912, 1984, 2390, 2480, 2542, 2624, 3280, 3824, 3968, 4780, 4960, 5084, 5248, 6355, 6560, 7409, 7648, 7936, 9560, 9799, 9920, 10168, 10496, 12710, 13120, 14818, 15296, 19120, 19598, 19840, 20336, 25420, 26240, 29636, 30592, 37045, 38240, 39196, 39680, 40672, 48995, 50840, 52480, 59272, 61184, 74090, 76480, 78392, 81344, 97990, 101680, 118544, 148180, 152960, 156784, 162688, 195980, 203360, 237088, 296360, 303769, 305920, 313568, 325376, 391960, 406720, 474176, 592720, 607538, 627136, 783920, 813440, 948352, 1185440, 1215076, 1254272, 1518845, 1567840, 1626880, 1896704, 2370880, 2430152, 2508544, 3037690, 3135680, 4741760, 4860304, 6075380, 6271360, 9483520, 9720608, 12150760, 12542720, 19441216, 24301520, 38882432, 48603040, 77764864, 97206080, 194412160, 388824320]

約数ペア:

[(1, 388824320), (2, 194412160), (4, 97206080), (5, 77764864), (8, 48603040), (10, 38882432), (16, 24301520), (20, 19441216), (31, 12542720), (32, 12150760), (40, 9720608), (41, 9483520), (62, 6271360), (64, 6075380), (80, 4860304), (82, 4741760), (124, 3135680), (128, 3037690), (155, 2508544), (160, 2430152), (164, 2370880), (205, 1896704), (239, 1626880), (248, 1567840), (256, 1518845), (310, 1254272), (320, 1215076), (328, 1185440), (410, 948352), (478, 813440), (496, 783920), (620, 627136), (640, 607538), (656, 592720), (820, 474176), (956, 406720), (992, 391960), (1195, 325376), (1240, 313568), (1271, 305920), (1280, 303769), (1312, 296360), (1640, 237088), (1912, 203360), (1984, 195980), (2390, 162688), (2480, 156784), (2542, 152960), (2624, 148180), (3280, 118544), (3824, 101680), (3968, 97990), (4780, 81344), (4960, 78392), (5084, 76480), (5248, 74090), (6355, 61184), (6560, 59272), (7409, 52480), (7648, 50840), (7936, 48995), (9560, 40672), (9799, 39680), (9920, 39196), (10168, 38240), (10496, 37045), (12710, 30592), (13120, 29636), (14818, 26240), (15296, 25420), (19120, 20336), (19598, 19840)]