2017890420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{28429}}^1$

素因数の和:28474

約数の個数: 144

約数和(自身を含む): 6992415360

約数和(自身を除く): 4974524940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3380, 3549, 4732, 5070, 5460, 5915, 7098, 10140, 11830, 14196, 17745, 23660, 28429, 35490, 56858, 70980, 85287, 113716, 142145, 170574, 199003, 284290, 341148, 369577, 398006, 426435, 568580, 597009, 739154, 796012, 852870, 995015, 1108731, 1194018, 1478308, 1705740, 1847885, 1990030, 2217462, 2388036, 2587039, 2985045, 3695770, 3980060, 4434924, 4804501, 5174078, 5543655, 5970090, 7391540, 7761117, 9609002, 10348156, 11087310, 11940180, 12935195, 14413503, 15522234, 19218004, 22174620, 24022505, 25870390, 28827006, 31044468, 33631507, 38805585, 48045010, 51740780, 57654012, 67263014, 72067515, 77611170, 96090020, 100894521, 134526028, 144135030, 155222340, 168157535, 201789042, 288270060, 336315070, 403578084, 504472605, 672630140, 1008945210, 2017890420]

約数ペア:

[(1, 2017890420), (2, 1008945210), (3, 672630140), (4, 504472605), (5, 403578084), (6, 336315070), (7, 288270060), (10, 201789042), (12, 168157535), (13, 155222340), (14, 144135030), (15, 134526028), (20, 100894521), (21, 96090020), (26, 77611170), (28, 72067515), (30, 67263014), (35, 57654012), (39, 51740780), (42, 48045010), (52, 38805585), (60, 33631507), (65, 31044468), (70, 28827006), (78, 25870390), (84, 24022505), (91, 22174620), (105, 19218004), (130, 15522234), (140, 14413503), (156, 12935195), (169, 11940180), (182, 11087310), (195, 10348156), (210, 9609002), (260, 7761117), (273, 7391540), (338, 5970090), (364, 5543655), (390, 5174078), (420, 4804501), (455, 4434924), (507, 3980060), (546, 3695770), (676, 2985045), (780, 2587039), (845, 2388036), (910, 2217462), (1014, 1990030), (1092, 1847885), (1183, 1705740), (1365, 1478308), (1690, 1194018), (1820, 1108731), (2028, 995015), (2366, 852870), (2535, 796012), (2730, 739154), (3380, 597009), (3549, 568580), (4732, 426435), (5070, 398006), (5460, 369577), (5915, 341148), (7098, 284290), (10140, 199003), (11830, 170574), (14196, 142145), (17745, 113716), (23660, 85287), (28429, 70980), (35490, 56858)]