197556490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2047

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 211772150

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 1973, 2635, 2945, 3230, 3946, 5270, 5890, 9865, 10013, 19730, 20026, 33541, 37487, 50065, 61163, 67082, 74974, 100130, 122326, 167705, 187435, 305815, 335410, 374870, 611630, 637279, 1039771, 1162097, 1274558, 2079542, 2324194, 3186395, 5198855, 5810485, 6372790, 10397710, 11620970, 19755649, 39511298, 98778245, 197556490]

約数ペア:

[(1, 197556490), (2, 98778245), (5, 39511298), (10, 19755649), (17, 11620970), (19, 10397710), (31, 6372790), (34, 5810485), (38, 5198855), (62, 3186395), (85, 2324194), (95, 2079542), (155, 1274558), (170, 1162097), (190, 1039771), (310, 637279), (323, 611630), (527, 374870), (589, 335410), (646, 305815), (1054, 187435), (1178, 167705), (1615, 122326), (1973, 100130), (2635, 74974), (2945, 67082), (3230, 61163), (3946, 50065), (5270, 37487), (5890, 33541), (9865, 20026), (10013, 19730)]