400907220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7177}}^1$

素因数の和:7222

約数の個数: 144

約数和(自身を含む): 1374730560

約数和(自身を除く): 973823340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7177, 7980, 9310, 11172, 13965, 14354, 18620, 21531, 27930, 28708, 35885, 43062, 50239, 55860, 71770, 86124, 100478, 107655, 136363, 143540, 150717, 200956, 215310, 251195, 272726, 301434, 351673, 409089, 430620, 502390, 545452, 602868, 681815, 703346, 753585, 818178, 954541, 1004780, 1055019, 1363630, 1406692, 1507170, 1636356, 1758365, 1909082, 2045445, 2110038, 2727260, 2863623, 3014340, 3516730, 3818164, 4090890, 4220076, 4772705, 5275095, 5727246, 6681787, 7033460, 8181780, 9545410, 10550190, 11454492, 13363574, 14318115, 19090820, 20045361, 21100380, 26727148, 28636230, 33408935, 40090722, 57272460, 66817870, 80181444, 100226805, 133635740, 200453610, 400907220]

約数ペア:

[(1, 400907220), (2, 200453610), (3, 133635740), (4, 100226805), (5, 80181444), (6, 66817870), (7, 57272460), (10, 40090722), (12, 33408935), (14, 28636230), (15, 26727148), (19, 21100380), (20, 20045361), (21, 19090820), (28, 14318115), (30, 13363574), (35, 11454492), (38, 10550190), (42, 9545410), (49, 8181780), (57, 7033460), (60, 6681787), (70, 5727246), (76, 5275095), (84, 4772705), (95, 4220076), (98, 4090890), (105, 3818164), (114, 3516730), (133, 3014340), (140, 2863623), (147, 2727260), (190, 2110038), (196, 2045445), (210, 1909082), (228, 1758365), (245, 1636356), (266, 1507170), (285, 1406692), (294, 1363630), (380, 1055019), (399, 1004780), (420, 954541), (490, 818178), (532, 753585), (570, 703346), (588, 681815), (665, 602868), (735, 545452), (798, 502390), (931, 430620), (980, 409089), (1140, 351673), (1330, 301434), (1470, 272726), (1596, 251195), (1862, 215310), (1995, 200956), (2660, 150717), (2793, 143540), (2940, 136363), (3724, 107655), (3990, 100478), (4655, 86124), (5586, 71770), (7177, 55860), (7980, 50239), (9310, 43062), (11172, 35885), (13965, 28708), (14354, 27930), (18620, 21531)]