242242520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 632318400

約数和(自身を除く): 390075880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 67, 68, 85, 104, 130, 134, 136, 170, 221, 260, 268, 335, 340, 409, 442, 520, 536, 670, 680, 818, 871, 884, 1105, 1139, 1340, 1636, 1742, 1768, 2045, 2210, 2278, 2680, 3272, 3484, 4090, 4355, 4420, 4556, 5317, 5695, 6953, 6968, 8180, 8710, 8840, 9112, 10634, 11390, 13906, 14807, 16360, 17420, 21268, 22780, 26585, 27403, 27812, 29614, 34765, 34840, 42536, 45560, 53170, 54806, 55624, 59228, 69530, 74035, 90389, 106340, 109612, 118456, 137015, 139060, 148070, 180778, 212680, 219224, 274030, 278120, 296140, 356239, 361556, 451945, 465851, 548060, 592280, 712478, 723112, 903890, 931702, 1096120, 1424956, 1781195, 1807780, 1863404, 2329255, 2849912, 3562390, 3615560, 3726808, 4658510, 6056063, 7124780, 9317020, 12112126, 14249560, 18634040, 24224252, 30280315, 48448504, 60560630, 121121260, 242242520]

約数ペア:

[(1, 242242520), (2, 121121260), (4, 60560630), (5, 48448504), (8, 30280315), (10, 24224252), (13, 18634040), (17, 14249560), (20, 12112126), (26, 9317020), (34, 7124780), (40, 6056063), (52, 4658510), (65, 3726808), (67, 3615560), (68, 3562390), (85, 2849912), (104, 2329255), (130, 1863404), (134, 1807780), (136, 1781195), (170, 1424956), (221, 1096120), (260, 931702), (268, 903890), (335, 723112), (340, 712478), (409, 592280), (442, 548060), (520, 465851), (536, 451945), (670, 361556), (680, 356239), (818, 296140), (871, 278120), (884, 274030), (1105, 219224), (1139, 212680), (1340, 180778), (1636, 148070), (1742, 139060), (1768, 137015), (2045, 118456), (2210, 109612), (2278, 106340), (2680, 90389), (3272, 74035), (3484, 69530), (4090, 59228), (4355, 55624), (4420, 54806), (4556, 53170), (5317, 45560), (5695, 42536), (6953, 34840), (6968, 34765), (8180, 29614), (8710, 27812), (8840, 27403), (9112, 26585), (10634, 22780), (11390, 21268), (13906, 17420), (14807, 16360)]