208215280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:843

約数の個数: 160

約数和(自身を含む): 612710784

約数和(自身を除く): 404495504

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 208, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 560, 592, 728, 740, 773, 910, 962, 1036, 1040, 1295, 1456, 1480, 1546, 1820, 1924, 2072, 2405, 2590, 2960, 3092, 3367, 3640, 3848, 3865, 4144, 4810, 5180, 5411, 6184, 6734, 7280, 7696, 7730, 9620, 10049, 10360, 10822, 12368, 13468, 15460, 16835, 19240, 20098, 20720, 21644, 26936, 27055, 28601, 30920, 33670, 38480, 40196, 43288, 50245, 53872, 54110, 57202, 61840, 67340, 70343, 80392, 86576, 100490, 108220, 114404, 134680, 140686, 143005, 160784, 200207, 200980, 216440, 228808, 269360, 281372, 286010, 351715, 371813, 400414, 401960, 432880, 457616, 562744, 572020, 703430, 743626, 800828, 803920, 1001035, 1125488, 1144040, 1406860, 1487252, 1601656, 1859065, 2002070, 2288080, 2602691, 2813720, 2974504, 3203312, 3718130, 4004140, 5205382, 5627440, 5949008, 7436260, 8008280, 10410764, 13013455, 14872520, 16016560, 20821528, 26026910, 29745040, 41643056, 52053820, 104107640, 208215280]

約数ペア:

[(1, 208215280), (2, 104107640), (4, 52053820), (5, 41643056), (7, 29745040), (8, 26026910), (10, 20821528), (13, 16016560), (14, 14872520), (16, 13013455), (20, 10410764), (26, 8008280), (28, 7436260), (35, 5949008), (37, 5627440), (40, 5205382), (52, 4004140), (56, 3718130), (65, 3203312), (70, 2974504), (74, 2813720), (80, 2602691), (91, 2288080), (104, 2002070), (112, 1859065), (130, 1601656), (140, 1487252), (148, 1406860), (182, 1144040), (185, 1125488), (208, 1001035), (259, 803920), (260, 800828), (280, 743626), (296, 703430), (364, 572020), (370, 562744), (455, 457616), (481, 432880), (518, 401960), (520, 400414), (560, 371813), (592, 351715), (728, 286010), (740, 281372), (773, 269360), (910, 228808), (962, 216440), (1036, 200980), (1040, 200207), (1295, 160784), (1456, 143005), (1480, 140686), (1546, 134680), (1820, 114404), (1924, 108220), (2072, 100490), (2405, 86576), (2590, 80392), (2960, 70343), (3092, 67340), (3367, 61840), (3640, 57202), (3848, 54110), (3865, 53872), (4144, 50245), (4810, 43288), (5180, 40196), (5411, 38480), (6184, 33670), (6734, 30920), (7280, 28601), (7696, 27055), (7730, 26936), (9620, 21644), (10049, 20720), (10360, 20098), (10822, 19240), (12368, 16835), (13468, 15460)]