393156907900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{258299}}^1$

素因数の和:258835

約数の個数: 72

約数和(自身を含む): 882468518400

約数和(自身を除く): 489311610500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 491, 620, 775, 982, 1550, 1964, 2455, 3100, 4910, 9820, 12275, 15221, 24550, 30442, 49100, 60884, 76105, 152210, 258299, 304420, 380525, 516598, 761050, 1033196, 1291495, 1522100, 2582990, 5165980, 6457475, 8007269, 12914950, 16014538, 25829900, 32029076, 40036345, 80072690, 126824809, 160145380, 200181725, 253649618, 400363450, 507299236, 634124045, 800726900, 1268248090, 2536496180, 3170620225, 3931569079, 6341240450, 7863138158, 12682480900, 15726276316, 19657845395, 39315690790, 78631381580, 98289226975, 196578453950, 393156907900]

約数ペア:

[(1, 393156907900), (2, 196578453950), (4, 98289226975), (5, 78631381580), (10, 39315690790), (20, 19657845395), (25, 15726276316), (31, 12682480900), (50, 7863138158), (62, 6341240450), (100, 3931569079), (124, 3170620225), (155, 2536496180), (310, 1268248090), (491, 800726900), (620, 634124045), (775, 507299236), (982, 400363450), (1550, 253649618), (1964, 200181725), (2455, 160145380), (3100, 126824809), (4910, 80072690), (9820, 40036345), (12275, 32029076), (15221, 25829900), (24550, 16014538), (30442, 12914950), (49100, 8007269), (60884, 6457475), (76105, 5165980), (152210, 2582990), (258299, 1522100), (304420, 1291495), (380525, 1033196), (516598, 761050)]