212916900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 144

約数和(自身を含む): 717704064

約数和(自身を除く): 504787164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 175, 210, 212, 265, 300, 318, 350, 371, 420, 525, 530, 636, 700, 742, 795, 1050, 1060, 1113, 1325, 1484, 1590, 1855, 1913, 2100, 2226, 2650, 3180, 3710, 3826, 3975, 4452, 5300, 5565, 5739, 7420, 7652, 7950, 9275, 9565, 11130, 11478, 13391, 15900, 18550, 19130, 22260, 22956, 26782, 27825, 28695, 37100, 38260, 40173, 47825, 53564, 55650, 57390, 66955, 80346, 95650, 101389, 111300, 114780, 133910, 143475, 160692, 191300, 200865, 202778, 267820, 286950, 304167, 334775, 401730, 405556, 506945, 573900, 608334, 669550, 709723, 803460, 1004325, 1013890, 1216668, 1339100, 1419446, 1520835, 2008650, 2027780, 2129169, 2534725, 2838892, 3041670, 3548615, 4017300, 4258338, 5069450, 6083340, 7097230, 7604175, 8516676, 10138900, 10645845, 14194460, 15208350, 17743075, 21291690, 30416700, 35486150, 42583380, 53229225, 70972300, 106458450, 212916900]

約数ペア:

[(1, 212916900), (2, 106458450), (3, 70972300), (4, 53229225), (5, 42583380), (6, 35486150), (7, 30416700), (10, 21291690), (12, 17743075), (14, 15208350), (15, 14194460), (20, 10645845), (21, 10138900), (25, 8516676), (28, 7604175), (30, 7097230), (35, 6083340), (42, 5069450), (50, 4258338), (53, 4017300), (60, 3548615), (70, 3041670), (75, 2838892), (84, 2534725), (100, 2129169), (105, 2027780), (106, 2008650), (140, 1520835), (150, 1419446), (159, 1339100), (175, 1216668), (210, 1013890), (212, 1004325), (265, 803460), (300, 709723), (318, 669550), (350, 608334), (371, 573900), (420, 506945), (525, 405556), (530, 401730), (636, 334775), (700, 304167), (742, 286950), (795, 267820), (1050, 202778), (1060, 200865), (1113, 191300), (1325, 160692), (1484, 143475), (1590, 133910), (1855, 114780), (1913, 111300), (2100, 101389), (2226, 95650), (2650, 80346), (3180, 66955), (3710, 57390), (3826, 55650), (3975, 53564), (4452, 47825), (5300, 40173), (5565, 38260), (5739, 37100), (7420, 28695), (7652, 27825), (7950, 26782), (9275, 22956), (9565, 22260), (11130, 19130), (11478, 18550), (13391, 15900)]