1990043016

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3373}}^1$

素因数の和:3487

約数の個数: 128

約数和(自身を含む): 5622973440

約数和(自身を除く): 3632930424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 61, 62, 78, 93, 104, 122, 124, 156, 183, 186, 244, 248, 312, 366, 372, 403, 488, 732, 744, 793, 806, 1209, 1464, 1586, 1612, 1891, 2379, 2418, 3172, 3224, 3373, 3782, 4758, 4836, 5673, 6344, 6746, 7564, 9516, 9672, 10119, 11346, 13492, 15128, 19032, 20238, 22692, 24583, 26984, 40476, 43849, 45384, 49166, 73749, 80952, 87698, 98332, 104563, 131547, 147498, 175396, 196664, 205753, 209126, 263094, 294996, 313689, 350792, 411506, 418252, 526188, 589992, 617259, 627378, 823012, 836504, 1052376, 1234518, 1254756, 1359319, 1646024, 2469036, 2509512, 2674789, 2718638, 4077957, 4938072, 5349578, 5437276, 6378343, 8024367, 8155914, 10699156, 10874552, 12756686, 16048734, 16311828, 19135029, 21398312, 25513372, 32097468, 32623656, 38270058, 51026744, 64194936, 76540116, 82918459, 153080232, 165836918, 248755377, 331673836, 497510754, 663347672, 995021508, 1990043016]

約数ペア:

[(1, 1990043016), (2, 995021508), (3, 663347672), (4, 497510754), (6, 331673836), (8, 248755377), (12, 165836918), (13, 153080232), (24, 82918459), (26, 76540116), (31, 64194936), (39, 51026744), (52, 38270058), (61, 32623656), (62, 32097468), (78, 25513372), (93, 21398312), (104, 19135029), (122, 16311828), (124, 16048734), (156, 12756686), (183, 10874552), (186, 10699156), (244, 8155914), (248, 8024367), (312, 6378343), (366, 5437276), (372, 5349578), (403, 4938072), (488, 4077957), (732, 2718638), (744, 2674789), (793, 2509512), (806, 2469036), (1209, 1646024), (1464, 1359319), (1586, 1254756), (1612, 1234518), (1891, 1052376), (2379, 836504), (2418, 823012), (3172, 627378), (3224, 617259), (3373, 589992), (3782, 526188), (4758, 418252), (4836, 411506), (5673, 350792), (6344, 313689), (6746, 294996), (7564, 263094), (9516, 209126), (9672, 205753), (10119, 196664), (11346, 175396), (13492, 147498), (15128, 131547), (19032, 104563), (20238, 98332), (22692, 87698), (24583, 80952), (26984, 73749), (40476, 49166), (43849, 45384)]