199538820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 656313840

約数和(自身を除く): 456775020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 269, 317, 390, 468, 538, 585, 634, 780, 807, 951, 1076, 1170, 1268, 1345, 1585, 1614, 1902, 2340, 2421, 2690, 2853, 3170, 3228, 3497, 3804, 4035, 4121, 4755, 4842, 5380, 5706, 6340, 6994, 8070, 8242, 9510, 9684, 10491, 11412, 12105, 12363, 13988, 14265, 16140, 16484, 17485, 19020, 20605, 20982, 24210, 24726, 28530, 31473, 34970, 37089, 41210, 41964, 48420, 49452, 52455, 57060, 61815, 62946, 69940, 74178, 82420, 85273, 104910, 123630, 125892, 148356, 157365, 170546, 185445, 209820, 247260, 255819, 314730, 341092, 370890, 426365, 511638, 629460, 741780, 767457, 852730, 1023276, 1108549, 1279095, 1534914, 1705460, 2217098, 2558190, 3069828, 3325647, 3837285, 4434196, 5116380, 5542745, 6651294, 7674570, 9976941, 11085490, 13302588, 15349140, 16628235, 19953882, 22170980, 33256470, 39907764, 49884705, 66512940, 99769410, 199538820]

約数ペア:

[(1, 199538820), (2, 99769410), (3, 66512940), (4, 49884705), (5, 39907764), (6, 33256470), (9, 22170980), (10, 19953882), (12, 16628235), (13, 15349140), (15, 13302588), (18, 11085490), (20, 9976941), (26, 7674570), (30, 6651294), (36, 5542745), (39, 5116380), (45, 4434196), (52, 3837285), (60, 3325647), (65, 3069828), (78, 2558190), (90, 2217098), (117, 1705460), (130, 1534914), (156, 1279095), (180, 1108549), (195, 1023276), (234, 852730), (260, 767457), (269, 741780), (317, 629460), (390, 511638), (468, 426365), (538, 370890), (585, 341092), (634, 314730), (780, 255819), (807, 247260), (951, 209820), (1076, 185445), (1170, 170546), (1268, 157365), (1345, 148356), (1585, 125892), (1614, 123630), (1902, 104910), (2340, 85273), (2421, 82420), (2690, 74178), (2853, 69940), (3170, 62946), (3228, 61815), (3497, 57060), (3804, 52455), (4035, 49452), (4121, 48420), (4755, 41964), (4842, 41210), (5380, 37089), (5706, 34970), (6340, 31473), (6994, 28530), (8070, 24726), (8242, 24210), (9510, 20982), (9684, 20605), (10491, 19020), (11412, 17485), (12105, 16484), (12363, 16140), (13988, 14265)]