397572210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20357}}^1$

素因数の和:20408

約数の個数: 96

約数和(自身を含む): 1219525632

約数和(自身を除く): 821953422

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 19530, 20357, 40714, 61071, 101785, 122142, 142499, 183213, 203570, 284998, 305355, 366426, 427497, 610710, 631067, 712495, 854994, 916065, 1262134, 1282491, 1424990, 1832130, 1893201, 2137485, 2564982, 3155335, 3786402, 4274970, 4417469, 5679603, 6310670, 6412455, 8834938, 9466005, 11359206, 12824910, 13252407, 18932010, 22087345, 26504814, 28398015, 39757221, 44174690, 56796030, 66262035, 79514442, 132524070, 198786105, 397572210]

約数ペア:

[(1, 397572210), (2, 198786105), (3, 132524070), (5, 79514442), (6, 66262035), (7, 56796030), (9, 44174690), (10, 39757221), (14, 28398015), (15, 26504814), (18, 22087345), (21, 18932010), (30, 13252407), (31, 12824910), (35, 11359206), (42, 9466005), (45, 8834938), (62, 6412455), (63, 6310670), (70, 5679603), (90, 4417469), (93, 4274970), (105, 3786402), (126, 3155335), (155, 2564982), (186, 2137485), (210, 1893201), (217, 1832130), (279, 1424990), (310, 1282491), (315, 1262134), (434, 916065), (465, 854994), (558, 712495), (630, 631067), (651, 610710), (930, 427497), (1085, 366426), (1302, 305355), (1395, 284998), (1953, 203570), (2170, 183213), (2790, 142499), (3255, 122142), (3906, 101785), (6510, 61071), (9765, 40714), (19530, 20357)]