209990340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:859

約数の個数: 192

約数和(自身を含む): 757854720

約数和(自身を除く): 547864380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 84, 90, 105, 108, 126, 135, 140, 146, 180, 189, 210, 219, 252, 270, 292, 315, 365, 378, 420, 438, 511, 540, 630, 657, 730, 756, 761, 876, 945, 1022, 1095, 1260, 1314, 1460, 1522, 1533, 1890, 1971, 2044, 2190, 2283, 2555, 2628, 3044, 3066, 3285, 3780, 3805, 3942, 4380, 4566, 4599, 5110, 5327, 6132, 6570, 6849, 7610, 7665, 7884, 9132, 9198, 9855, 10220, 10654, 11415, 13140, 13698, 13797, 15220, 15330, 15981, 18396, 19710, 20547, 21308, 22830, 22995, 26635, 27396, 27594, 30660, 31962, 34245, 39420, 41094, 45660, 45990, 47943, 53270, 55188, 55553, 63924, 68490, 68985, 79905, 82188, 91980, 95886, 102735, 106540, 111106, 136980, 137970, 143829, 159810, 166659, 191772, 205470, 222212, 239715, 275940, 277765, 287658, 319620, 333318, 388871, 410940, 479430, 499977, 555530, 575316, 666636, 719145, 777742, 833295, 958860, 999954, 1111060, 1166613, 1438290, 1499931, 1555484, 1666590, 1944355, 1999908, 2333226, 2499885, 2876580, 2999862, 3333180, 3499839, 3888710, 4666452, 4999770, 5833065, 5999724, 6999678, 7499655, 7777420, 9999540, 10499517, 11666130, 13999356, 14999310, 17499195, 20999034, 23332260, 29998620, 34998390, 41998068, 52497585, 69996780, 104995170, 209990340]

約数ペア:

[(1, 209990340), (2, 104995170), (3, 69996780), (4, 52497585), (5, 41998068), (6, 34998390), (7, 29998620), (9, 23332260), (10, 20999034), (12, 17499195), (14, 14999310), (15, 13999356), (18, 11666130), (20, 10499517), (21, 9999540), (27, 7777420), (28, 7499655), (30, 6999678), (35, 5999724), (36, 5833065), (42, 4999770), (45, 4666452), (54, 3888710), (60, 3499839), (63, 3333180), (70, 2999862), (73, 2876580), (84, 2499885), (90, 2333226), (105, 1999908), (108, 1944355), (126, 1666590), (135, 1555484), (140, 1499931), (146, 1438290), (180, 1166613), (189, 1111060), (210, 999954), (219, 958860), (252, 833295), (270, 777742), (292, 719145), (315, 666636), (365, 575316), (378, 555530), (420, 499977), (438, 479430), (511, 410940), (540, 388871), (630, 333318), (657, 319620), (730, 287658), (756, 277765), (761, 275940), (876, 239715), (945, 222212), (1022, 205470), (1095, 191772), (1260, 166659), (1314, 159810), (1460, 143829), (1522, 137970), (1533, 136980), (1890, 111106), (1971, 106540), (2044, 102735), (2190, 95886), (2283, 91980), (2555, 82188), (2628, 79905), (3044, 68985), (3066, 68490), (3285, 63924), (3780, 55553), (3805, 55188), (3942, 53270), (4380, 47943), (4566, 45990), (4599, 45660), (5110, 41094), (5327, 39420), (6132, 34245), (6570, 31962), (6849, 30660), (7610, 27594), (7665, 27396), (7884, 26635), (9132, 22995), (9198, 22830), (9855, 21308), (10220, 20547), (10654, 19710), (11415, 18396), (13140, 15981), (13698, 15330), (13797, 15220)]