389572040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 1069320960

約数和(自身を除く): 679748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 169, 220, 248, 260, 286, 310, 338, 341, 403, 440, 520, 572, 620, 676, 682, 715, 806, 845, 1144, 1240, 1352, 1364, 1430, 1612, 1690, 1705, 1859, 2015, 2197, 2728, 2860, 3224, 3380, 3410, 3718, 4030, 4394, 4433, 5239, 5720, 6760, 6820, 7436, 8060, 8788, 8866, 9295, 10478, 10985, 13640, 14872, 16120, 17576, 17732, 18590, 20956, 21970, 22165, 24167, 26195, 28561, 35464, 37180, 41912, 43940, 44330, 48334, 52390, 57122, 57629, 68107, 74360, 87880, 88660, 96668, 104780, 114244, 115258, 120835, 136214, 142805, 177320, 193336, 209560, 228488, 230516, 241670, 272428, 285610, 288145, 314171, 340535, 461032, 483340, 544856, 571220, 576290, 628342, 681070, 749177, 885391, 966680, 1142440, 1152580, 1256684, 1362140, 1498354, 1570855, 1770782, 2305160, 2513368, 2724280, 2996708, 3141710, 3541564, 3745885, 4426955, 5993416, 6283420, 7083128, 7491770, 8853910, 9739301, 12566840, 14983540, 17707820, 19478602, 29967080, 35415640, 38957204, 48696505, 77914408, 97393010, 194786020, 389572040]

約数ペア:

[(1, 389572040), (2, 194786020), (4, 97393010), (5, 77914408), (8, 48696505), (10, 38957204), (11, 35415640), (13, 29967080), (20, 19478602), (22, 17707820), (26, 14983540), (31, 12566840), (40, 9739301), (44, 8853910), (52, 7491770), (55, 7083128), (62, 6283420), (65, 5993416), (88, 4426955), (104, 3745885), (110, 3541564), (124, 3141710), (130, 2996708), (143, 2724280), (155, 2513368), (169, 2305160), (220, 1770782), (248, 1570855), (260, 1498354), (286, 1362140), (310, 1256684), (338, 1152580), (341, 1142440), (403, 966680), (440, 885391), (520, 749177), (572, 681070), (620, 628342), (676, 576290), (682, 571220), (715, 544856), (806, 483340), (845, 461032), (1144, 340535), (1240, 314171), (1352, 288145), (1364, 285610), (1430, 272428), (1612, 241670), (1690, 230516), (1705, 228488), (1859, 209560), (2015, 193336), (2197, 177320), (2728, 142805), (2860, 136214), (3224, 120835), (3380, 115258), (3410, 114244), (3718, 104780), (4030, 96668), (4394, 88660), (4433, 87880), (5239, 74360), (5720, 68107), (6760, 57629), (6820, 57122), (7436, 52390), (8060, 48334), (8788, 44330), (8866, 43940), (9295, 41912), (10478, 37180), (10985, 35464), (13640, 28561), (14872, 26195), (16120, 24167), (17576, 22165), (17732, 21970), (18590, 20956)]