98400820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 257402880

約数和(自身を除く): 159002060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 49, 62, 70, 79, 82, 98, 124, 140, 155, 158, 164, 196, 205, 217, 245, 287, 310, 316, 395, 410, 434, 490, 553, 574, 620, 790, 820, 868, 980, 1085, 1106, 1148, 1271, 1435, 1519, 1580, 2009, 2170, 2212, 2449, 2542, 2765, 2870, 3038, 3239, 3871, 4018, 4340, 4898, 5084, 5530, 5740, 6076, 6355, 6478, 7595, 7742, 8036, 8897, 9796, 10045, 11060, 12245, 12710, 12956, 15190, 15484, 16195, 17143, 17794, 19355, 20090, 22673, 24490, 25420, 30380, 32390, 34286, 35588, 38710, 40180, 44485, 45346, 48980, 62279, 64780, 68572, 77420, 85715, 88970, 90692, 100409, 113365, 120001, 124558, 158711, 171430, 177940, 200818, 226730, 240002, 249116, 311395, 317422, 342860, 401636, 453460, 480004, 502045, 600005, 622790, 634844, 702863, 793555, 1004090, 1200010, 1245580, 1405726, 1587110, 2008180, 2400020, 2811452, 3174220, 3514315, 4920041, 7028630, 9840082, 14057260, 19680164, 24600205, 49200410, 98400820]

約数ペア:

[(1, 98400820), (2, 49200410), (4, 24600205), (5, 19680164), (7, 14057260), (10, 9840082), (14, 7028630), (20, 4920041), (28, 3514315), (31, 3174220), (35, 2811452), (41, 2400020), (49, 2008180), (62, 1587110), (70, 1405726), (79, 1245580), (82, 1200010), (98, 1004090), (124, 793555), (140, 702863), (155, 634844), (158, 622790), (164, 600005), (196, 502045), (205, 480004), (217, 453460), (245, 401636), (287, 342860), (310, 317422), (316, 311395), (395, 249116), (410, 240002), (434, 226730), (490, 200818), (553, 177940), (574, 171430), (620, 158711), (790, 124558), (820, 120001), (868, 113365), (980, 100409), (1085, 90692), (1106, 88970), (1148, 85715), (1271, 77420), (1435, 68572), (1519, 64780), (1580, 62279), (2009, 48980), (2170, 45346), (2212, 44485), (2449, 40180), (2542, 38710), (2765, 35588), (2870, 34286), (3038, 32390), (3239, 30380), (3871, 25420), (4018, 24490), (4340, 22673), (4898, 20090), (5084, 19355), (5530, 17794), (5740, 17143), (6076, 16195), (6355, 15484), (6478, 15190), (7595, 12956), (7742, 12710), (8036, 12245), (8897, 11060), (9796, 10045)]