99949720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 258733440

約数和(自身を除く): 158783720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 61, 65, 92, 104, 115, 122, 130, 137, 184, 230, 244, 260, 274, 299, 305, 460, 488, 520, 548, 598, 610, 685, 793, 920, 1096, 1196, 1220, 1370, 1403, 1495, 1586, 1781, 2392, 2440, 2740, 2806, 2990, 3151, 3172, 3562, 3965, 5480, 5612, 5980, 6302, 6344, 7015, 7124, 7930, 8357, 8905, 11224, 11960, 12604, 14030, 14248, 15755, 15860, 16714, 17810, 18239, 25208, 28060, 31510, 31720, 33428, 35620, 36478, 40963, 41785, 56120, 63020, 66856, 71240, 72956, 81926, 83570, 91195, 108641, 126040, 145912, 163852, 167140, 182390, 192211, 204815, 217282, 327704, 334280, 364780, 384422, 409630, 434564, 543205, 729560, 768844, 819260, 869128, 961055, 1086410, 1537688, 1638520, 1922110, 2172820, 2498743, 3844220, 4345640, 4997486, 7688440, 9994972, 12493715, 19989944, 24987430, 49974860, 99949720]

約数ペア:

[(1, 99949720), (2, 49974860), (4, 24987430), (5, 19989944), (8, 12493715), (10, 9994972), (13, 7688440), (20, 4997486), (23, 4345640), (26, 3844220), (40, 2498743), (46, 2172820), (52, 1922110), (61, 1638520), (65, 1537688), (92, 1086410), (104, 961055), (115, 869128), (122, 819260), (130, 768844), (137, 729560), (184, 543205), (230, 434564), (244, 409630), (260, 384422), (274, 364780), (299, 334280), (305, 327704), (460, 217282), (488, 204815), (520, 192211), (548, 182390), (598, 167140), (610, 163852), (685, 145912), (793, 126040), (920, 108641), (1096, 91195), (1196, 83570), (1220, 81926), (1370, 72956), (1403, 71240), (1495, 66856), (1586, 63020), (1781, 56120), (2392, 41785), (2440, 40963), (2740, 36478), (2806, 35620), (2990, 33428), (3151, 31720), (3172, 31510), (3562, 28060), (3965, 25208), (5480, 18239), (5612, 17810), (5980, 16714), (6302, 15860), (6344, 15755), (7015, 14248), (7124, 14030), (7930, 12604), (8357, 11960), (8905, 11224)]