420569940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7529}}^1$

素因数の和:7574

約数の個数: 144

約数和(自身を含む): 1442145600

約数和(自身を除く): 1021575660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7529, 7980, 9310, 11172, 13965, 15058, 18620, 22587, 27930, 30116, 37645, 45174, 52703, 55860, 75290, 90348, 105406, 112935, 143051, 150580, 158109, 210812, 225870, 263515, 286102, 316218, 368921, 429153, 451740, 527030, 572204, 632436, 715255, 737842, 790545, 858306, 1001357, 1054060, 1106763, 1430510, 1475684, 1581090, 1716612, 1844605, 2002714, 2145765, 2213526, 2861020, 3004071, 3162180, 3689210, 4005428, 4291530, 4427052, 5006785, 5533815, 6008142, 7009499, 7378420, 8583060, 10013570, 11067630, 12016284, 14018998, 15020355, 20027140, 21028497, 22135260, 28037996, 30040710, 35047495, 42056994, 60081420, 70094990, 84113988, 105142485, 140189980, 210284970, 420569940]

約数ペア:

[(1, 420569940), (2, 210284970), (3, 140189980), (4, 105142485), (5, 84113988), (6, 70094990), (7, 60081420), (10, 42056994), (12, 35047495), (14, 30040710), (15, 28037996), (19, 22135260), (20, 21028497), (21, 20027140), (28, 15020355), (30, 14018998), (35, 12016284), (38, 11067630), (42, 10013570), (49, 8583060), (57, 7378420), (60, 7009499), (70, 6008142), (76, 5533815), (84, 5006785), (95, 4427052), (98, 4291530), (105, 4005428), (114, 3689210), (133, 3162180), (140, 3004071), (147, 2861020), (190, 2213526), (196, 2145765), (210, 2002714), (228, 1844605), (245, 1716612), (266, 1581090), (285, 1475684), (294, 1430510), (380, 1106763), (399, 1054060), (420, 1001357), (490, 858306), (532, 790545), (570, 737842), (588, 715255), (665, 632436), (735, 572204), (798, 527030), (931, 451740), (980, 429153), (1140, 368921), (1330, 316218), (1470, 286102), (1596, 263515), (1862, 225870), (1995, 210812), (2660, 158109), (2793, 150580), (2940, 143051), (3724, 112935), (3990, 105406), (4655, 90348), (5586, 75290), (7529, 55860), (7980, 52703), (9310, 45174), (11172, 37645), (13965, 30116), (15058, 27930), (18620, 22587)]