42439540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 112613760

約数和(自身を除く): 70174220

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 71, 76, 95, 110, 121, 130, 142, 143, 190, 209, 220, 242, 247, 260, 284, 286, 355, 380, 418, 484, 494, 572, 605, 710, 715, 781, 836, 923, 988, 1045, 1210, 1235, 1349, 1420, 1430, 1562, 1573, 1846, 2090, 2299, 2420, 2470, 2698, 2717, 2860, 3124, 3146, 3692, 3905, 4180, 4598, 4615, 4940, 5396, 5434, 6292, 6745, 7810, 7865, 8591, 9196, 9230, 10153, 10868, 11495, 13490, 13585, 14839, 15620, 15730, 17182, 17537, 18460, 20306, 22990, 26980, 27170, 29678, 29887, 31460, 34364, 35074, 40612, 42955, 45980, 50765, 54340, 59356, 59774, 70148, 74195, 85910, 87685, 101530, 111683, 119548, 148390, 149435, 163229, 171820, 175370, 192907, 203060, 223366, 296780, 298870, 326458, 350740, 385814, 446732, 558415, 597740, 652916, 771628, 816145, 964535, 1116830, 1632290, 1929070, 2121977, 2233660, 3264580, 3858140, 4243954, 8487908, 10609885, 21219770, 42439540]

約数ペア:

[(1, 42439540), (2, 21219770), (4, 10609885), (5, 8487908), (10, 4243954), (11, 3858140), (13, 3264580), (19, 2233660), (20, 2121977), (22, 1929070), (26, 1632290), (38, 1116830), (44, 964535), (52, 816145), (55, 771628), (65, 652916), (71, 597740), (76, 558415), (95, 446732), (110, 385814), (121, 350740), (130, 326458), (142, 298870), (143, 296780), (190, 223366), (209, 203060), (220, 192907), (242, 175370), (247, 171820), (260, 163229), (284, 149435), (286, 148390), (355, 119548), (380, 111683), (418, 101530), (484, 87685), (494, 85910), (572, 74195), (605, 70148), (710, 59774), (715, 59356), (781, 54340), (836, 50765), (923, 45980), (988, 42955), (1045, 40612), (1210, 35074), (1235, 34364), (1349, 31460), (1420, 29887), (1430, 29678), (1562, 27170), (1573, 26980), (1846, 22990), (2090, 20306), (2299, 18460), (2420, 17537), (2470, 17182), (2698, 15730), (2717, 15620), (2860, 14839), (3124, 13585), (3146, 13490), (3692, 11495), (3905, 10868), (4180, 10153), (4598, 9230), (4615, 9196), (4940, 8591), (5396, 7865), (5434, 7810), (6292, 6745)]