197238420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1574

約数の個数: 144

約数和(自身を含む): 648648000

約数和(自身を除く): 451409580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1499, 1530, 1548, 1935, 2193, 2580, 2924, 2998, 3060, 3655, 3870, 4386, 4497, 5996, 6579, 7310, 7495, 7740, 8772, 8994, 10965, 13158, 13491, 14620, 14990, 17988, 21930, 22485, 25483, 26316, 26982, 29980, 32895, 43860, 44970, 50966, 53964, 64457, 65790, 67455, 76449, 89940, 101932, 127415, 128914, 131580, 134910, 152898, 193371, 229347, 254830, 257828, 269820, 305796, 322285, 382245, 386742, 458694, 509660, 580113, 644570, 764490, 773484, 917388, 966855, 1095769, 1146735, 1160226, 1289140, 1528980, 1933710, 2191538, 2293470, 2320452, 2900565, 3287307, 3867420, 4383076, 4586940, 5478845, 5801130, 6574614, 9861921, 10957690, 11602260, 13149228, 16436535, 19723842, 21915380, 32873070, 39447684, 49309605, 65746140, 98619210, 197238420]

約数ペア:

[(1, 197238420), (2, 98619210), (3, 65746140), (4, 49309605), (5, 39447684), (6, 32873070), (9, 21915380), (10, 19723842), (12, 16436535), (15, 13149228), (17, 11602260), (18, 10957690), (20, 9861921), (30, 6574614), (34, 5801130), (36, 5478845), (43, 4586940), (45, 4383076), (51, 3867420), (60, 3287307), (68, 2900565), (85, 2320452), (86, 2293470), (90, 2191538), (102, 1933710), (129, 1528980), (153, 1289140), (170, 1160226), (172, 1146735), (180, 1095769), (204, 966855), (215, 917388), (255, 773484), (258, 764490), (306, 644570), (340, 580113), (387, 509660), (430, 458694), (510, 386742), (516, 382245), (612, 322285), (645, 305796), (731, 269820), (765, 257828), (774, 254830), (860, 229347), (1020, 193371), (1290, 152898), (1462, 134910), (1499, 131580), (1530, 128914), (1548, 127415), (1935, 101932), (2193, 89940), (2580, 76449), (2924, 67455), (2998, 65790), (3060, 64457), (3655, 53964), (3870, 50966), (4386, 44970), (4497, 43860), (5996, 32895), (6579, 29980), (7310, 26982), (7495, 26316), (7740, 25483), (8772, 22485), (8994, 21930), (10965, 17988), (13158, 14990), (13491, 14620)]