291208918700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{128677}}^1$

素因数の和:128812

約数の個数: 144

約数和(自身を含む): 747893006784

約数和(自身を除く): 456684088084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 61, 70, 100, 106, 122, 140, 175, 212, 244, 265, 305, 350, 371, 427, 530, 610, 700, 742, 854, 1060, 1220, 1325, 1484, 1525, 1708, 1855, 2135, 2650, 3050, 3233, 3710, 4270, 5300, 6100, 6466, 7420, 8540, 9275, 10675, 12932, 16165, 18550, 21350, 22631, 32330, 37100, 42700, 45262, 64660, 80825, 90524, 113155, 128677, 161650, 226310, 257354, 323300, 452620, 514708, 565775, 643385, 900739, 1131550, 1286770, 1801478, 2263100, 2573540, 3216925, 3602956, 4503695, 6433850, 6819881, 7849297, 9007390, 12867700, 13639762, 15698594, 18014780, 22518475, 27279524, 31397188, 34099405, 39246485, 45036950, 47739167, 54945079, 68198810, 78492970, 90073900, 95478334, 109890158, 136397620, 156985940, 170497025, 190956668, 196232425, 219780316, 238695835, 274725395, 340994050, 392464850, 416012741, 477391670, 549450790, 681988100, 784929700, 832025482, 954783340, 1098901580, 1193479175, 1373626975, 1664050964, 2080063705, 2386958350, 2747253950, 2912089187, 4160127410, 4773916700, 5494507900, 5824178374, 8320254820, 10400318525, 11648356748, 14560445935, 20800637050, 29120891870, 41601274100, 58241783740, 72802229675, 145604459350, 291208918700]

約数ペア:

[(1, 291208918700), (2, 145604459350), (4, 72802229675), (5, 58241783740), (7, 41601274100), (10, 29120891870), (14, 20800637050), (20, 14560445935), (25, 11648356748), (28, 10400318525), (35, 8320254820), (50, 5824178374), (53, 5494507900), (61, 4773916700), (70, 4160127410), (100, 2912089187), (106, 2747253950), (122, 2386958350), (140, 2080063705), (175, 1664050964), (212, 1373626975), (244, 1193479175), (265, 1098901580), (305, 954783340), (350, 832025482), (371, 784929700), (427, 681988100), (530, 549450790), (610, 477391670), (700, 416012741), (742, 392464850), (854, 340994050), (1060, 274725395), (1220, 238695835), (1325, 219780316), (1484, 196232425), (1525, 190956668), (1708, 170497025), (1855, 156985940), (2135, 136397620), (2650, 109890158), (3050, 95478334), (3233, 90073900), (3710, 78492970), (4270, 68198810), (5300, 54945079), (6100, 47739167), (6466, 45036950), (7420, 39246485), (8540, 34099405), (9275, 31397188), (10675, 27279524), (12932, 22518475), (16165, 18014780), (18550, 15698594), (21350, 13639762), (22631, 12867700), (32330, 9007390), (37100, 7849297), (42700, 6819881), (45262, 6433850), (64660, 4503695), (80825, 3602956), (90524, 3216925), (113155, 2573540), (128677, 2263100), (161650, 1801478), (226310, 1286770), (257354, 1131550), (323300, 900739), (452620, 643385), (514708, 565775)]