387842820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 1147063680

約数和(自身を除く): 759220860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 521, 570, 653, 1042, 1140, 1306, 1563, 1959, 2084, 2605, 2612, 3126, 3265, 3918, 5210, 6252, 6530, 7815, 7836, 9795, 9899, 10420, 12407, 13060, 15630, 19590, 19798, 24814, 29697, 31260, 37221, 39180, 39596, 49495, 49628, 59394, 62035, 74442, 98990, 118788, 124070, 148485, 148884, 186105, 197980, 248140, 296970, 340213, 372210, 593940, 680426, 744420, 1020639, 1360852, 1701065, 2041278, 3402130, 4082556, 5103195, 6464047, 6804260, 10206390, 12928094, 19392141, 20412780, 25856188, 32320235, 38784282, 64640470, 77568564, 96960705, 129280940, 193921410, 387842820]

約数ペア:

[(1, 387842820), (2, 193921410), (3, 129280940), (4, 96960705), (5, 77568564), (6, 64640470), (10, 38784282), (12, 32320235), (15, 25856188), (19, 20412780), (20, 19392141), (30, 12928094), (38, 10206390), (57, 6804260), (60, 6464047), (76, 5103195), (95, 4082556), (114, 3402130), (190, 2041278), (228, 1701065), (285, 1360852), (380, 1020639), (521, 744420), (570, 680426), (653, 593940), (1042, 372210), (1140, 340213), (1306, 296970), (1563, 248140), (1959, 197980), (2084, 186105), (2605, 148884), (2612, 148485), (3126, 124070), (3265, 118788), (3918, 98990), (5210, 74442), (6252, 62035), (6530, 59394), (7815, 49628), (7836, 49495), (9795, 39596), (9899, 39180), (10420, 37221), (12407, 31260), (13060, 29697), (15630, 24814), (19590, 19798)]