888955290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 2487697920

約数和(自身を除く): 1598742630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 257, 270, 345, 414, 514, 557, 621, 690, 771, 1035, 1114, 1242, 1285, 1542, 1671, 2070, 2313, 2570, 2785, 3105, 3342, 3855, 4626, 5013, 5570, 5911, 6210, 6939, 7710, 8355, 10026, 11565, 11822, 12811, 13878, 15039, 16710, 17733, 23130, 25065, 25622, 29555, 30078, 34695, 35466, 38433, 50130, 53199, 59110, 64055, 69390, 75195, 76866, 88665, 106398, 115299, 128110, 143149, 150390, 159597, 177330, 192165, 230598, 265995, 286298, 319194, 345897, 384330, 429447, 531990, 576495, 691794, 715745, 797985, 858894, 1152990, 1288341, 1431490, 1595970, 1729485, 2147235, 2576682, 3292427, 3458970, 3865023, 4294470, 6441705, 6584854, 7730046, 9877281, 12883410, 16462135, 19325115, 19754562, 29631843, 32924270, 38650230, 49386405, 59263686, 88895529, 98772810, 148159215, 177791058, 296318430, 444477645, 888955290]

約数ペア:

[(1, 888955290), (2, 444477645), (3, 296318430), (5, 177791058), (6, 148159215), (9, 98772810), (10, 88895529), (15, 59263686), (18, 49386405), (23, 38650230), (27, 32924270), (30, 29631843), (45, 19754562), (46, 19325115), (54, 16462135), (69, 12883410), (90, 9877281), (115, 7730046), (135, 6584854), (138, 6441705), (207, 4294470), (230, 3865023), (257, 3458970), (270, 3292427), (345, 2576682), (414, 2147235), (514, 1729485), (557, 1595970), (621, 1431490), (690, 1288341), (771, 1152990), (1035, 858894), (1114, 797985), (1242, 715745), (1285, 691794), (1542, 576495), (1671, 531990), (2070, 429447), (2313, 384330), (2570, 345897), (2785, 319194), (3105, 286298), (3342, 265995), (3855, 230598), (4626, 192165), (5013, 177330), (5570, 159597), (5911, 150390), (6210, 143149), (6939, 128110), (7710, 115299), (8355, 106398), (10026, 88665), (11565, 76866), (11822, 75195), (12811, 69390), (13878, 64055), (15039, 59110), (16710, 53199), (17733, 50130), (23130, 38433), (25065, 35466), (25622, 34695), (29555, 30078)]