1900821300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1399}}^1$

素因数の和:2070

約数の個数: 144

約数和(自身を含む): 6299596800

約数和(自身を除く): 4398775500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 647, 700, 1050, 1294, 1399, 1941, 2100, 2588, 2798, 3235, 3882, 4197, 4529, 5596, 6470, 6995, 7764, 8394, 9058, 9705, 9793, 12940, 13587, 13990, 16175, 16788, 18116, 19410, 19586, 20985, 22645, 27174, 27980, 29379, 32350, 34975, 38820, 39172, 41970, 45290, 48525, 48965, 54348, 58758, 64700, 67935, 69950, 83940, 90580, 97050, 97930, 104925, 113225, 117516, 135870, 139900, 146895, 194100, 195860, 209850, 226450, 244825, 271740, 293790, 339675, 419700, 452900, 489650, 587580, 679350, 734475, 905153, 979300, 1358700, 1468950, 1810306, 2715459, 2937900, 3620612, 4525765, 5430918, 6336071, 9051530, 10861836, 12672142, 13577295, 18103060, 19008213, 22628825, 25344284, 27154590, 31680355, 38016426, 45257650, 54309180, 63360710, 67886475, 76032852, 90515300, 95041065, 126721420, 135772950, 158401775, 190082130, 271545900, 316803550, 380164260, 475205325, 633607100, 950410650, 1900821300]

約数ペア:

[(1, 1900821300), (2, 950410650), (3, 633607100), (4, 475205325), (5, 380164260), (6, 316803550), (7, 271545900), (10, 190082130), (12, 158401775), (14, 135772950), (15, 126721420), (20, 95041065), (21, 90515300), (25, 76032852), (28, 67886475), (30, 63360710), (35, 54309180), (42, 45257650), (50, 38016426), (60, 31680355), (70, 27154590), (75, 25344284), (84, 22628825), (100, 19008213), (105, 18103060), (140, 13577295), (150, 12672142), (175, 10861836), (210, 9051530), (300, 6336071), (350, 5430918), (420, 4525765), (525, 3620612), (647, 2937900), (700, 2715459), (1050, 1810306), (1294, 1468950), (1399, 1358700), (1941, 979300), (2100, 905153), (2588, 734475), (2798, 679350), (3235, 587580), (3882, 489650), (4197, 452900), (4529, 419700), (5596, 339675), (6470, 293790), (6995, 271740), (7764, 244825), (8394, 226450), (9058, 209850), (9705, 195860), (9793, 194100), (12940, 146895), (13587, 139900), (13990, 135870), (16175, 117516), (16788, 113225), (18116, 104925), (19410, 97930), (19586, 97050), (20985, 90580), (22645, 83940), (27174, 69950), (27980, 67935), (29379, 64700), (32350, 58758), (34975, 54348), (38820, 48965), (39172, 48525), (41970, 45290)]