490630920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16553}}^1$

素因数の和:16599

約数の個数: 128

約数和(自身を含む): 1668643200

約数和(自身を除く): 1178012280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 16553, 29640, 33106, 49659, 66212, 82765, 99318, 132424, 165530, 198636, 215189, 248295, 314507, 331060, 397272, 430378, 496590, 629014, 645567, 662120, 860756, 943521, 993180, 1075945, 1258028, 1291134, 1572535, 1721512, 1887042, 1986360, 2151890, 2516056, 2582268, 3145070, 3227835, 3774084, 4088591, 4303780, 4717605, 5164536, 6290140, 6455670, 7548168, 8177182, 8607560, 9435210, 12265773, 12580280, 12911340, 16354364, 18870420, 20442955, 24531546, 25822680, 32708728, 37740840, 40885910, 49063092, 61328865, 81771820, 98126184, 122657730, 163543640, 245315460, 490630920]

約数ペア:

[(1, 490630920), (2, 245315460), (3, 163543640), (4, 122657730), (5, 98126184), (6, 81771820), (8, 61328865), (10, 49063092), (12, 40885910), (13, 37740840), (15, 32708728), (19, 25822680), (20, 24531546), (24, 20442955), (26, 18870420), (30, 16354364), (38, 12911340), (39, 12580280), (40, 12265773), (52, 9435210), (57, 8607560), (60, 8177182), (65, 7548168), (76, 6455670), (78, 6290140), (95, 5164536), (104, 4717605), (114, 4303780), (120, 4088591), (130, 3774084), (152, 3227835), (156, 3145070), (190, 2582268), (195, 2516056), (228, 2151890), (247, 1986360), (260, 1887042), (285, 1721512), (312, 1572535), (380, 1291134), (390, 1258028), (456, 1075945), (494, 993180), (520, 943521), (570, 860756), (741, 662120), (760, 645567), (780, 629014), (988, 496590), (1140, 430378), (1235, 397272), (1482, 331060), (1560, 314507), (1976, 248295), (2280, 215189), (2470, 198636), (2964, 165530), (3705, 132424), (4940, 99318), (5928, 82765), (7410, 66212), (9880, 49659), (14820, 33106), (16553, 29640)]