1888929420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{5059}}^1$

素因数の和:5212

約数の個数: 144

約数和(自身を含む): 6202183680

約数和(自身を除く): 4313254260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 588, 635, 735, 762, 889, 980, 1270, 1470, 1524, 1778, 1905, 2540, 2667, 2940, 3556, 3810, 4445, 5059, 5334, 6223, 7620, 8890, 10118, 10668, 12446, 13335, 15177, 17780, 18669, 20236, 24892, 25295, 26670, 30354, 31115, 35413, 37338, 50590, 53340, 60708, 62230, 70826, 74676, 75885, 93345, 101180, 106239, 124460, 141652, 151770, 177065, 186690, 212478, 247891, 303540, 354130, 373380, 424956, 495782, 531195, 642493, 708260, 743673, 991564, 1062390, 1239455, 1284986, 1487346, 1927479, 2124780, 2478910, 2569972, 2974692, 3212465, 3718365, 3854958, 4497451, 4957820, 6424930, 7436730, 7709916, 8994902, 9637395, 12849860, 13492353, 14873460, 17989804, 19274790, 22487255, 26984706, 31482157, 38549580, 44974510, 53969412, 62964314, 67461765, 89949020, 94446471, 125928628, 134923530, 157410785, 188892942, 269847060, 314821570, 377785884, 472232355, 629643140, 944464710, 1888929420]

約数ペア:

[(1, 1888929420), (2, 944464710), (3, 629643140), (4, 472232355), (5, 377785884), (6, 314821570), (7, 269847060), (10, 188892942), (12, 157410785), (14, 134923530), (15, 125928628), (20, 94446471), (21, 89949020), (28, 67461765), (30, 62964314), (35, 53969412), (42, 44974510), (49, 38549580), (60, 31482157), (70, 26984706), (84, 22487255), (98, 19274790), (105, 17989804), (127, 14873460), (140, 13492353), (147, 12849860), (196, 9637395), (210, 8994902), (245, 7709916), (254, 7436730), (294, 6424930), (381, 4957820), (420, 4497451), (490, 3854958), (508, 3718365), (588, 3212465), (635, 2974692), (735, 2569972), (762, 2478910), (889, 2124780), (980, 1927479), (1270, 1487346), (1470, 1284986), (1524, 1239455), (1778, 1062390), (1905, 991564), (2540, 743673), (2667, 708260), (2940, 642493), (3556, 531195), (3810, 495782), (4445, 424956), (5059, 373380), (5334, 354130), (6223, 303540), (7620, 247891), (8890, 212478), (10118, 186690), (10668, 177065), (12446, 151770), (13335, 141652), (15177, 124460), (17780, 106239), (18669, 101180), (20236, 93345), (24892, 75885), (25295, 74676), (26670, 70826), (30354, 62230), (31115, 60708), (35413, 53340), (37338, 50590)]